Drug Name - Category - Classification Level 1 - Classification Level 2 - Classification Level 3 -
abacavir - B3 - Antimicrobials - Antiviral agents -
abatacept - C - Allergy and Immune System - Immunomodifiers -
abciximab - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
abiraterone - D - Endocrine System - Antiandrogens -
acamprosate - B2 - Detoxifying Agents, Antidotes -
acarbose - B3 - Endocrine System - Hypoglycaemic agents -
acetazolamide - B3 - Cardiovascular System - Diuretics - Carbonic anhydrase inhibitor -
acetazolamide (ophthalmic) - B3 - Ophthalmic Drugs -
acetylcholine - B2 - Ophthalmic Drugs -
acetylcysteine - B2 - Respiratory System -
acetylcysteine (inhaled) - B2 - Respiratory System - Expectorants and mucolytics -
acetylcysteine (intravenous) - B2 - Detoxifying Agents, Antidotes -
aciclovir - B3 - Antimicrobials - Antiviral agents -
aciclovir (topical) - B3 - Drugs used in Dermatology - Topical antiviral -
acitretin - X - Drugs used in Dermatology - Systemic -
actinomycin D (dactinomycin) - D - Antineoplastic Agents - Antibiotic cytotoxic agents -
adalimumab - C - Allergy and Immune System - Immunomodifiers -
adapalene - D - Drugs used in Dermatology - Topical -
adefovir - B3 - Antimicrobials - Antiviral agents -
adenosine - B2 - Cardiovascular System - Antiarrhythmics -
adrenaline - A - Cardiovascular System - Adrenergic stimulants -
aflibercept - D - Ophthalmic Drugs -
agalsidase alfa - B2 - Metabolism - Agents used for the treatment of metabolic disorders -
agalsidase beta - B2 - Metabolism - Agents used for the treatment of metabolic disorders -
agomelatine - B1 - Central Nervous System - Antidepressants -
alatrofloxacin - B3 - Antimicrobials - Antibiotics - Quinolones -
albendazole - D - Antimicrobials - Anthelmintics -
alcuronium - B2 - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
aldesleukin - C - Antineoplastic Agents -
alefacept - C - Allergy and Immune System - Immunomodifiers -
alemtuzumab - B2 - Antineoplastic Agents - Monoclonal antibodies -
alendronate - B3 - Endocrine System - Agents affecting calcium and bone metabolism - Bisphosphonates -
alfentanil - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
alfuzosin - B2 - Genitourinary System - Prostate hyperplasia -
alginates/antacids - A - Alimentary System - Hyperacidity, reflux, ulcers -
alglucerase - B3 - Metabolism - Agents used for the treatment of metabolic disorders -
alglucosidase alfa - B1 - Metabolism - Agents used for the treatment of metabolic disorders -
aliskiren - D - Cardiovascular System - Antihypertensives - Angiotensin II receptor antagonists and renin inhibitors -
allopurinol - B2 - Musculoskeletal System - Agents used in gout and hyperuricaemia -
alprazolam - C - Central Nervous System - Benzodiazepines -
alprenolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
alteplase - B1 - Cardiovascular System - Fibrinolytic agents -
altretamine (hexamethylmelamine) - D - Antineoplastic Agents -
amantadine - B3 - Central Nervous System - Antiparkinson agents -
ambenonium chloride - B2 - Drugs Used in Myasthenia Gravis -
ambrisentan - X - Cardiovascular System - Endothelin receptor antagonist -
amethocaine - B2 - Ophthalmic Drugs -
amifostine - B3 - Antineoplastic Agents - Non-cytotoxic supportive therapy -
amikacin - D - Antimicrobials - Antibiotics - Aminoglycosides -
amiloride - C - Cardiovascular System - Diuretics - Potassium sparing diuretics -
aminocaproic acid - B3 - Cardiovascular System - Haemostatic agents -
aminoglutethimide - D - Antineoplastic Agents - Hormonal antineoplastic agents -
aminoglutethimide - D - Endocrine System - Hormonal agents -
amiodarone - C - Cardiovascular System - Antiarrhythmics -
amisulpride - C - Central Nervous System - Antipsychotic drugs -
amitriptyline - C - Central Nervous System - Antidepressants - Tricyclic antidepressants -
amlodipine - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
ammonium chloride - A - Respiratory System - Expectorants and mucolytics -
amorolfine - B3 - Drugs used in Dermatology - Topical antifungals, antiseptics (see also antifungal agents) -
amoxycillin - A - Antimicrobials - Antibiotics - Penicillins -
amphotericin - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
ampicillin - A - Antimicrobials - Antibiotics - Penicillins -
amprenavir - B3 - Antimicrobials - Antiviral agents -
amsacrine - D - Antineoplastic Agents -
amylobarbitone - C - Central Nervous System - Hypnotics and sedatives - Barbiturates -
anagrelide - B3 - Antineoplastic Agents -
anakinra - B1 - Allergy and Immune System - Immunomodifiers -
anastrozole - C - Antineoplastic Agents - Hormonal antineoplastic agents -
ancestim - B2 - Blood and Haemopoietic System - Haemopoietic agents -
anecortave - B1 - Ophthalmic Drugs -
anidulafungin - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
anistreplase - C - Cardiovascular System - Fibrinolytic agents -
antithrombin III - C - Cardiovascular System - Haemostatic agents -
anti-thymocyte immunoglobulin - C - Allergy and Immune System - Immunomodifiers -
apixaban - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
apomorphine - B3 - Central Nervous System - Antiparkinson agents -
apraclonidine - B3 - Ophthalmic Drugs -
aprepitant - B1 - Antineoplastic Agents - Non-cytotoxic supportive therapy -
aprotinin - B1 - Cardiovascular System - Haemostatic agents -
argipressin - B2 - Endocrine System - Antidiuretics -
aripiprazole - C - Central Nervous System - Antipsychotic drugs -
arsenic trioxide - X - Antineoplastic Agents -
artemether with lumefantine - D - Antimicrobials - Antimalarials -
articaine - B3 - Drugs Used in Anaesthesia - Local anaesthetics -
asenapine - C - Central Nervous System - Antipsychotic drugs -
aspirin - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) -
atazanavir - B2 - Antimicrobials - Antiviral agents -
atenolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
atomoxetine - B3 - Central Nervous System - CNS stimulants -
atorvastatin - D - Cardiovascular System - Hypolipidaemic agents -
atovaquone - B2 - Antimicrobials - Antibiotics -
atracurium - C - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
atropine - A - Alimentary System - Antispasmodics -
atropine - A - Cholinergic and Anticholinergic Agents -
atropine methonitrate - B2 - Cholinergic and Anticholinergic Agents -
auranofin - B3 - Musculoskeletal System - Antirheumatoid agents -
aurothioglucose - B2 - Musculoskeletal System - Antirheumatoid agents -
axitinib - D - Antineoplastic Agents - Tyrosine kinase inhibitors -
azacitidine - X - Antineoplastic Agents - Antimetabolites -
azatadine - B2 - Allergy and Immune System - Antihistamines -
azathioprine - D - Allergy and Immune System - Immunomodifiers -
azelaic acid - B1 - Drugs used in Dermatology - Topical -
azelastine - B3 - Allergy and Immune System - Antihistamines -
azithromycin - B1 - Antimicrobials - Antibiotics - Macrolide antibiotics -
azlocillin - B3 - Antimicrobials - Antibiotics - Penicillins -
aztreonam - B1 - Antimicrobials - Antibiotics -
baclofen - B3 - Musculoskeletal System - Muscle relaxants -
balsalazide - C - Alimentary System - Antidiarrhoeals -
basiliximab - D - Allergy and Immune System - Immunomodifiers -
BCG - B2 - Vaccines - Live attenuated virus vaccines -
becaplermin - B2 - Drugs used in Dermatology - Topical -
beclomethasone - B3 - Endocrine System - Corticosteroids - Inhalation/intranasal -
beclomethasone - B3 - Respiratory System - Inhalational agents - Preventative aerosols and inhalations -
belatacept - C - Allergy and Immune System - Immunomodifiers -
belimumab - C - Allergy and Immune System - Immunomodifiers -
belladonna - B2 - Cholinergic and Anticholinergic Agents -
bendrofluazide - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
benserazide - B3 - Central Nervous System - Antiparkinson agents -
benzathine penicillin - A - Antimicrobials - Antibiotics - Penicillins -
benzhexol - B1 - Central Nervous System - Antiparkinson agents -
benztropine - B2 - Central Nervous System - Antiparkinson agents -
benzydamine (topical oropharyngeal) - B2 - Mouth Preparations -
benzyl benzoate - B2 - Drugs used in Dermatology - Topical antiparasitics -
benzylpenicillin - A - Antimicrobials - Antibiotics - Penicillins -
betahistine - B2 - Cardiovascular System - Vasodilators -
betamethasone (systemic) - A - Endocrine System - Corticosteroids - Systemic -
betamethasone (topical) - A - Endocrine System - Corticosteroids - Topical -
betaxolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
betaxolol (ophthalmic) - C - Ophthalmic Drugs -
bethanechol - B2 - Cholinergic and Anticholinergic Agents -
bethanechol - B2 - Genitourinary System - Bladder function disorders -
bevacizumab - D - Antineoplastic Agents - Monoclonal antibodies -
bevantolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
bicalutamide - D - Antineoplastic Agents - Hormonal antineoplastic agents -
bifonazole - B3 - Drugs used in Dermatology - Topical antifungals, antiseptics (see also antifungal agents) -
bimatoprost - B3 - Ophthalmic Drugs -
bioallethrin - B2 - Drugs used in Dermatology - Topical antiparasitics -
biperiden - B2 - Central Nervous System - Antiparkinson agents -
bisacodyl - A - Alimentary System - Laxatives -
bismuth subcitrate - B2 - Alimentary System - Hyperacidity, reflux, ulcers -
bisoprolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
bivalirudin - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
bleomycin - D - Antineoplastic Agents - Antibiotic cytotoxic agents -
boceprevir - B2 - Antimicrobials - Antiviral agents -
bortezomib - C - Antineoplastic Agents -
bosentan - X - Cardiovascular System - Endothelin receptor antagonist -
botulinum type A - B3 - Musculoskeletal System - Muscle relaxants -
bretylium tosylate - C - Cardiovascular System - Antiarrhythmics -
brimonidine tartrate - B1 - Ophthalmic Drugs -
brinzolamide - B3 - Ophthalmic Drugs -
bromazepam - C - Central Nervous System - Benzodiazepines -
bromhexine - A - Respiratory System - Expectorants and mucolytics -
bromocriptine (injection) - B2 - Endocrine System - Pituitary inhibitors -
bromocriptine (oral) - A - Endocrine System - Pituitary inhibitors -
brompheniramine - A - Allergy and Immune System - Antihistamines -
budesonide - A - Endocrine System - Corticosteroids - Inhalation/intranasal -
budesonide - A - Respiratory System - Inhalational agents - Preventative aerosols and inhalations -
budesonide (systemic) - B3 - Alimentary System - Antidiarrhoeals -
bumetanide - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
bupivacaine - A - Drugs Used in Anaesthesia - Local anaesthetics -
buprenorphine - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
bupropion - B2 - Agents used in dependency states -
buspirone - B1 - Central Nervous System - Antianxiety agents -
busulfan - D - Antineoplastic Agents - Alkylating agents -
butoconazole - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
cabazitaxel - D - Antineoplastic Agents - Antimetabolites -
cabergoline - B1 - Endocrine System - Pituitary inhibitors -
caffeine - A - Central Nervous System - CNS stimulants -
calcipotriol - B1 - Drugs used in Dermatology - Topical -
calcitonin - B2 - Endocrine System - Agents affecting calcium and bone metabolism -
calcitriol - B3 - Endocrine System - Agents affecting calcium and bone metabolism -
calcium carbimide - A - Agents used in dependency states -
camustine - D - Antineoplastic Agents - Alkylating agents -
canakinumab - B3 - Allergy and Immune System - Immunomodifiers -
candesartan cilexetil - D - Cardiovascular System - Antihypertensives - Angiotensin II receptor antagonists and renin inhibitors -
capecitabine - D - Antineoplastic Agents - Antimetabolites -
captopril - D - Cardiovascular System - Antihypertensives - Angiotensin converting enzyme (ACE) inhibitors -
carbachol - B2 - Ophthalmic Drugs -
carbamazepine - D - Central Nervous System - Anticonvulsants/antiepileptics -
carbetocin - C - Genitourinary System - Agents acting on the uterus -
carbidopa - B3 - Central Nervous System - Antiparkinson agents -
carbimazole - C - Endocrine System - Antithyroid agents -
carboplatin - D - Antineoplastic Agents -
carboprost - D - Genitourinary System - Agents acting on the uterus -
carvedilol - C - Cardiovascular System - Beta-adrenergic blocking agents -
cascara - A - Alimentary System - Laxatives -
caspofungin - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
cefaclor - B1 - Antimicrobials - Antibiotics - Cephalosporins -
cefepime - B1 - Antimicrobials - Antibiotics - Cephalosporins -
cefodizime - B2 - Antimicrobials - Antibiotics - Cephalosporins -
cefotaxime - B1 - Antimicrobials - Antibiotics - Cephalosporins -
cefotetan - B1 - Antimicrobials - Antibiotics - Cephalosporins -
cefoxitin - B1 - Antimicrobials - Antibiotics - Cephalosporins -
cefpirome - B2 - Antimicrobials - Antibiotics - Cephalosporins -
cefpodoxime - B1 - Antimicrobials - Antibiotics - Cephalosporins -
ceftaroline fosamil - B1 - Antimicrobials - Antibiotics - Cephalosporins -
ceftazidime - B1 - Antimicrobials - Antibiotics - Cephalosporins -
ceftriaxone - B1 - Antimicrobials - Antibiotics - Cephalosporins -
cefuroxime - B1 - Antimicrobials - Antibiotics - Cephalosporins -
celecoxib - B3 - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
cephalexin - A - Antimicrobials - Antibiotics - Cephalosporins -
cephalothin - A - Antimicrobials - Antibiotics - Cephalosporins -
cephamandole - B1 - Antimicrobials - Antibiotics - Cephalosporins -
cephazolin - B1 - Antimicrobials - Antibiotics - Cephalosporins -
cerivastatin - D - Cardiovascular System - Hypolipidaemic agents -
certolizumab - C - Allergy and immune system - Immunomodifiers -
cetirizine - B2 - Allergy and Immune System - Antihistamines -
cetrorelix - D - Endocrine System - Pituitary inhibitors -
cetuximab - D - Antineoplastic Agents - Monoclonal antibodies -
cetylpyridinium - A - Drugs used in Dermatology - Topical antifungals, antiseptics (see also antifungal agents) -
chenodeoxycholic acid - B3 - Alimentary System - Cholelitholytics -
chloral hydrate - A - Central Nervous System - Hypnotics and sedatives -
chlorambucil - D - Antineoplastic Agents - Alkylating agents -
chloramphenicol - A - Antimicrobials - Antibiotics -
chloramphenicol (ophthalmic) - A - Ophthalmic Drugs -
chlorcyclizine - B3 - Allergy and Immune System - Antihistamines -
chlordiazepoxide - C - Central Nervous System - Benzodiazepines -
chlorhexidine - A - Drugs used in Dermatology - Topical antifungals, antiseptics (see also antifungal agents) -
chlormethiazole - A - Central Nervous System - Hypnotics and sedatives -
chloroquine (prophylaxis) - A - Antimicrobials - Antimalarials -
chloroquine (treatment) - D - Antimicrobials - Antimalarials -
chlorothiazide - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
chlorpheniramine - A - Allergy and Immune System - Antihistamines -
chlorpromazine - C - Central Nervous System - Antipsychotic drugs - Phenothiazines -
chlorpropamide - C - Endocrine System - Hypoglycaemic agents -
chlorquinaldol - A - Drugs used in Dermatology - Topical antifungals, antiseptics (see also antifungal agents) -
chlorthalidone - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
cholera vaccine (killed) - B2 - Vaccines - Killed vaccines -
cholera vaccine (live) - B2 - Vaccines - Live attenuated virus vaccines -
cholestyramine - B2 - Cardiovascular System - Hypolipidaemic agents -
choriogonadotropin alfa (rch) - B3 - Endocrine System - Ovulation inducers - Gonadotrophins -
ciclesonide - B3 - Endocrine System - Corticosteroids - Inhalation/intranasal -
ciclesonide - B3 - Respiratory System - Inhalational agents - Preventative aerosols and inhalations -
ciclopirox - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
cidofovir - D - Antimicrobials - Antiviral agents -
cilazapril - D - Cardiovascular System - Antihypertensives - Angiotensin converting enzyme (ACE) inhibitors -
cilostazol - B3 - Cardiovascular System - Vasodilators -
cimetidine - B1 - Alimentary System - Hyperacidity, reflux, ulcers -
cinacalcet - B3 - Endocrine System - Agents affecting calcium and bone metabolism -
cinchocaine - A - Drugs Used in Anaesthesia - Local anaesthetics -
ciprofloxacin - B3 - Antimicrobials - Antibiotics - Quinolones -
cisapride - B1 - Alimentary System - Hyperacidity, reflux, ulcers -
cisatracurium besylate - C - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
cisplatin - D - Antineoplastic Agents -
citalopram - C - Central Nervous System - Antidepressants - Selective serotonin reuptake inhibitors (SSRIs) -
cladribine - D - Antineoplastic Agents - Antimetabolites -
clarithromycin - B3 - Antimicrobials - Antibiotics - Macrolide antibiotics -
clavulanic acid - B1 - Antimicrobials - Antibiotics -
clemastine - A - Allergy and Immune System - Antihistamines -
clevidipine - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
clindamycin - A - Antimicrobials - Antibiotics -
clindamycin - A - Genitourinary System - Topical vaginal medication -
clioquinol - A - Antimicrobials -
clobazam - C - Central Nervous System - Benzodiazepines -
clodronate - B3 - Endocrine System - Agents affecting calcium and bone metabolism - Bisphosphonates -
clofarabine - D - Antineoplastic Agents - Antimetabolites -
clofazimine - C - Antimicrobials - Antituberculotics and antileprotics -
clofibrate - B1 - Cardiovascular System - Hypolipidaemic agents -
clomiphene - B3 - Endocrine System - Ovulation inducers - Gonadotrophins -
clomipramine - C - Central Nervous System - Antidepressants - Tricyclic antidepressants -
clonazepam - C - Central Nervous System - Anticonvulsants/antiepileptics -
clonazepam - C - Central Nervous System - Benzodiazepines -
clonidine - B3 - Cardiovascular System - Antihypertensives -
clopamide - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
clopidogrel - B1 - Cardiovascular System - Anticoagulants and thrombolytic agents -
clorazepate - C - Central Nervous System - Benzodiazepines -
clotrimazole - A - Drugs used in Dermatology - Topical antifungals, antiseptics (see also antifungal agents) -
clotrimazole - A - Genitourinary System - Topical vaginal medication -
cloxacillin - A - Antimicrobials - Antibiotics - Penicillins -
clozapine - C - Central Nervous System - Antipsychotic drugs -
codeine - A - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
codeine - A - Respiratory System - Antitussives -
colaspase - D - Antineoplastic Agents - Antimetabolites -
colchicine - D - Musculoskeletal System - Agents used in gout and hyperuricaemia -
colestipol - B2 - Cardiovascular System - Hypolipidaemic agents -
colistimethate - B2 - Antimicrobials - Antibiotics -
colistin IV with colistimethate - B2 - Antimicrobials - Antibiotics -
corifollitropin alfa - B3 - Endocrine System - Ovulation inducers - Gonadotrophins -
corticotrophin - A - Endocrine System - Pituitary hormones -
cortisone - A - Endocrine System - Corticosteroids - Systemic -
crotamiton - B2 - Drugs used in Dermatology - Topical antiparasitics -
cyclizine - B3 - Allergy and Immune System - Antihistamines -
cyclopenthiazide - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
cyclopentolate - B2 - Ophthalmic Drugs -
cyclophosphamide - D - Antineoplastic Agents - Alkylating agents -
cyclosporin - C - Allergy and Immune System - Immunomodifiers -
cyproheptadine - A - Allergy and Immune System - Antihistamines -
cyproterone acetate (10 mg daily or higher PO) - D - Endocrine System - Antiandrogens -
cyproterone acetate (2 mg daily PO) - B3 - Endocrine System - Antiandrogens -
cysteamine bitartate - B3 - Metabolism - Agents used for the treatment of metabolic disorders -
cytarabine - D - Antineoplastic Agents - Antimetabolites -
dabigatran etexilate - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
dacarbazine - D - Antineoplastic Agents - Alkylating agents -
daclizumab - C - Allergy and Immune System - Immunomodifiers -
dactinomycin - D - Antineoplastic Agents - Antibiotic cytotoxic agents -
dalfopristin with quinupristin - B3 - Antimicrobials - Antibiotics -
dalteparin - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
danaparoid - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
danazol - D - Endocrine System - Pituitary inhibitors -
dantrolene - B2 - Musculoskeletal System - Muscle relaxants -
dapagliflozin - D - Endocrine System - Hypoglycaemic agents -
dapoxetine - C - Central Nervous System - Antidepressants - Selective serotonin reuptake inhibitors (SSRIs) -
dapsone - B2 - Antimicrobials - Antituberculotics and antileprotics -
daptomycin - B1 - Antimicrobials - Antibiotics -
darbepoetin alfa - B3 - Blood and Haemopoietic System - Haemopoietic agents -
darifenacin - B3 - Genitourinary System - Prostate hyperplasia -
darunavir - B2 - Antimicrobials - Antiviral agents -
dasatinib - D - Antineoplastic Agents - Tyrosine kinase inhibitors -
daunorubicin - D - Antineoplastic Agents - Antibiotic cytotoxic agents -
deferasirox - C - Detoxifying Agents, Antidotes -
deferiprone - D - Detoxifying Agents, Antidotes -
degarelix - D - Antineoplastic Agents - Hormonal antineoplastic agents -
delavirdine - B3 - Antimicrobials - Antiviral agents -
demeclocycline - D - Antimicrobials - Antibiotics - Tetracyclines -
denosumab - D - Endocrine System - Agents affecting calcium and bone metabolism -
desferrioxamine - B3 - Detoxifying Agents, Antidotes -
desflurane - B3 - Drugs Used in Anaesthesia - General anaesthetics -
desipramine - C - Central Nervous System - Antidepressants - Tricyclic antidepressants -
desirudin - B3 - Cardiovascular System - Anticoagulants and thrombolytic agents -
desloratadine - B1 - Allergy and Immune System - Antihistamines -
desmopressin - B2 - Endocrine System - Antidiuretics -
desogestrel with ethinyloestradiol - B3 - Contraceptive Agents - Oral contraceptives -
desonide - B3 - Drugs used in Dermatology - Topical -
desvenlafaxine - B2 - Central Nervous System - Antidepressants -
dexamethasone - A - Endocrine System - Corticosteroids - Systemic -
dexamphetamine - B3 - Central Nervous System - CNS stimulants -
dexchlorpheniramine - A - Allergy and Immune System - Antihistamines -
dexfenfluramine - B3 - Metabolism - Anorectic and weight reducing agents -
dexmedetomidine - B1 - Central Nervous System - Hypnotics and sedatives -
dextromethorphan - A - Respiratory System - Antitussives -
dextromoramide - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
dextropropoxyphene - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
diazepam - C - Central Nervous System - Benzodiazepines -
diazoxide - C - Cardiovascular System - Antihypertensives -
diclofenac - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
dicloxacillin - B2 - Antimicrobials - Antibiotics - Penicillins -
dicyclomine hydrochloride - B1 - Alimentary System - Laxatives -
didanosine - B2 - Antimicrobials - Antiviral agents -
dienoestrol - X - Endocrine System - Oestrogens (see also oral contraceptives) -
dienogest with ethinyloestradiol - B3 - Contraceptive Agents - Oral contraceptives -
dienosliterol - B1 - Genitourinary System - Topical vaginal medication -
diethylcarbamazine - B2 - Antimicrobials - Anthelmintics -
diethylpropion - B2 - Metabolism - Anorectic and weight reducing agents -
diflunisal - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
digoxin and other cardiac glycosides - A - Cardiovascular System - Cardiac inotropic agents -
digoxin immune fab - B2 - Detoxifying Agents, Antidotes -
dihydrocodeine - A - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
dihydrocodeine - A - Respiratory System - Antitussives -
dihydroergotamine - C - Cardiovascular System - Antimigraine preparations -
dihydrotachysterol - B3 - Endocrine System - Agents affecting calcium and bone metabolism -
diltiazem - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
dimenhydrinate - A - Central Nervous System - Antiemetics, antinauseants -
dinoprost - C - Genitourinary System - Agents acting on the uterus -
dinoprostone (prostaglandin E2) - C - Genitourinary System - Agents acting on the uterus -
diphenhydramine - A - Allergy and Immune System - Antihistamines -
diphenhydramine - A - Central Nervous System - Antiemetics, antinauseants -
diphenoxylate - C - Alimentary System - Antidiarrhoeals -
diphenylamine - A - Allergy and Immune System - Antihistamines -
diphenylpyraline - B2 - Allergy and Immune System - Antihistamines -
diphtheria vaccine - A - Vaccines - Killed vaccines -
diphtheria-tetanus vaccine - A - Vaccines - Killed vaccines -
dipivefrine - B2 - Ophthalmic Drugs -
dipyridamole - B1 - Cardiovascular System - Vasodilators -
disodium etidronate - B3 - Endocrine System - Agents affecting calcium and bone metabolism -
disopyramide - B2 - Cardiovascular System - Antiarrhythmics -
disulfiram - B2 - Agents used in dependency states -
dithranol - B2 - Drugs used in Dermatology - Topical -
dobutamine - B2 - Cardiovascular System - Adrenergic stimulants -
docetaxel - D - Antineoplastic Agents - Antimetabolites -
docusate sodium - A - Alimentary System - Laxatives -
dofetilide - D - Cardiovascular System - Antiarrhythmics -
dolasetron - B1 - Central Nervous System - Antiemetics, antinauseants -
domperidone - B2 - Central Nervous System - Antiemetics, antinauseants -
donepezil - B3 - Cholinergic and Anticholinergic Agents -
dopamine - B3 - Cardiovascular System - Adrenergic stimulants -
doripenem - B2 - Antimicrobials - Antibiotics -
dornase alfa - B1 - Respiratory System -
dorzolamide - B3 - Ophthalmic Drugs -
dothiepin - C - Central Nervous System - Antidepressants - Tricyclic antidepressants -
doxazosin - B3 - Cardiovascular System - Antihypertensives -
doxepin - C - Central Nervous System - Antidepressants - Tricyclic antidepressants -
doxorubicin - D - Antineoplastic Agents - Antibiotic cytotoxic agents -
doxycycline - D - Antimicrobials - Antibiotics - Tetracyclines -
doxycycline (antimalarial) - D - Antimicrobials - Antimalarials -
doxylamine - A - Allergy and Immune System - Antihistamines -
dronedarone - D - Cardiovascular System - Antiarrhythmics -
droperidol - C - Central Nervous System - Antipsychotic drugs - Butyrophenones -
drospirenone and ethinyloestradiol - B3 - Contraceptive Agents - Oral contraceptives -
drotrecogin alfa - C - Cardiovascular System - Haemostatic agents -
duloxetine - B3 - Central Nervous System - Antidepressants - Selective serotonin reuptake inhibitors (SSRIs) -
dutasteride - X - Genitourinary System - Prostate hyperplasia -
dydrogesterone - D - Endocrine System - Progestogens (see also oral contraceptives) -
econazole - A - Drugs used in Dermatology - Topical antifungals, antiseptics (see also antifungal agents) -
econazole - A - Genitourinary System - Topical vaginal medication -
ecothiopate - B2 - Ophthalmic Drugs -
eculizumab - B2 - Allergy and Immune System - Immunomodifiers -
efalizumab - C - Allergy and Immune System - Immunomodifiers -
efavirenz - D - Antimicrobials - Antiviral agents -
eflornithine - B3 - Drugs used in Dermatology - Topical -
eformoterol - B3 - Respiratory System - Inhalational agents - Bronchospasm relaxants -
eletriptan - B1 - Cardiovascular System - Antimigraine preparations -
eltrombopag - B3 - Blood and Haemopoietic System - Haemopoietic agents -
emetine - A - Respiratory System - Expectorants and mucolytics -
emtricitabine - B1 - Antimicrobials - Antiviral agents -
enalapril - D - Cardiovascular System - Antihypertensives - Angiotensin converting enzyme (ACE) inhibitors -
enflurane - A - Drugs Used in Anaesthesia - General anaesthetics -
enfuvirtide - B2 - Antimicrobials - Antiviral agents -
enoxacin - B3 - Antimicrobials - Antibiotics - Quinolones -
enoxaparin - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
entacapone - B3 - Central Nervous System - Antiparkinson agents -
entecavir - B3 - Antimicrobials - Antiviral agents -
ephedrine - A - Cardiovascular System - Adrenergic stimulants -
ephedrine - A - Respiratory System - Inhalational agents - Bronchospasm relaxants -
epirubicin - D - Antineoplastic Agents - Antibiotic cytotoxic agents -
eplerenone - B3 - Cardiovascular System - Diuretics -
epoetin alfa - B3 - Blood and Haemopoietic System - Haemopoietic agents -
epoetin beta (rch) - B3 - Blood and Haemopoietic System - Haemopoietic agents -
epoetin lambda (rch) - B3 - Blood and Haemopoietic System - Haemopoietic agents -
epoprostenol - B1 - Cardiovascular System - Vasodilators -
eprosartan - D - Cardiovascular System - Antihypertensives - Angiotensin II receptor antagonists and renin inhibitors -
eptacog alfa (activated Factor VII - rch) - B1 - Cardiovascular System - Haemostatic agents -
eptifibatide - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
eptotermin alfa - D - Musculoskeletal System - Osteogenic agents -
ergometrine - C - Genitourinary System - Agents acting on the uterus -
ergotamine - C - Cardiovascular System - Antimigraine preparations -
eribulin - D - Antineoplastic Agents -
erlotinib - C - Antineoplastic Agents - Tyrosine kinase inhibitors -
ertapenem - B3 - Antimicrobials - Antibiotics -
erythromycin - A - Antimicrobials - Antibiotics - Macrolide antibiotics -
erythropoietin - B3 - Blood and Haemopoietic System - Haemopoietic agents -
escitalopram - C - Central Nervous System - Antidepressants - Selective serotonin reuptake inhibitors (SSRIs) -
esmolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
esomeprazole - B3 - Alimentary System - Hyperacidity, reflux, ulcers -
estramustine - D - Antineoplastic Agents - Alkylating agents -
etanercept - B2 - Allergy and Immune System - Immunomodifiers -
ethacrynic acid - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
ethambutol - A - Antimicrobials - Antituberculotics and antileprotics -
ethinyloestradiol - B3 - Endocrine System - Oestrogens (see also oral contraceptives) -
ethosuximide - D - Central Nervous System - Anticonvulsants/antiepileptics -
etidocaine - B1 - Drugs Used in Anaesthesia - Local anaesthetics -
etonogestrel - B3 - Contraceptive Agents -
etoposide - D - Antineoplastic Agents -
etoricoxib - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
etravirine - B1 - Antimicrobials - Antiviral agents -
etretinate - X - Drugs used in Dermatology - Systemic -
everolimus - C - Allergy and Immune System - Immunomodifiers -
exemestane - C - Antineoplastic Agents - Hormonal antineoplastic agents -
exenatide - C - Endocrine System - Hypoglycaemic agents -
ezetimibe - B3 - Cardiovascular System - Hypolipidaemic agents -
factor IX (human) - C - Cardiovascular System - Haemostatic agents -
factor IX (r CHO) - B2 - Cardiovascular System - Haemostatic agents -
famciclovir - B1 - Antimicrobials - Antiviral agents -
famotidine - B1 - Alimentary System - Hyperacidity, reflux, ulcers -
fampridine - C - Central Nervous System -
felodipine - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
fenfluramine - B2 - Metabolism - Anorectic and weight reducing agents -
fenofibrate - B3 - Cardiovascular System - Hypolipidaemic agents -
fenoterol - A - Cardiovascular System - Adrenergic stimulants -
fenoterol - A - Respiratory System - Inhalational agents - Bronchospasm relaxants -
fentanyl - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
ferric carboxymaltose - B3 - Blood and Haemopoietic System -
ferucarbotran - B1 - Diagnostic Agents - Radiographic agents -
fexofenadine - B2 - Allergy and Immune System - Antihistamines -
fibrin - B2 - Cardiovascular System - Haemostatic agents -
fibrinogen - B2 - Cardiovascular System - Haemostatic agents -
fibronectin - B2 - Cardiovascular System - Haemostatic agents -
fidaxomicin - B1 - Antimicrobials - Antibiotics -
filgrastim - B3 - Blood and Haemopoietic System - Haemopoietic agents -
finasteride - X - Drugs used in Dermatology - Topical -
finasteride - X - Genitourinary System - Prostate hyperplasia -
fingolimod - D - Allergy and Immune System - Immunomodifiers -
flecainide - B3 - Cardiovascular System - Antiarrhythmics -
fleroxacin - B3 - Antimicrobials - Antibiotics - Quinolones -
flucloxacillin - B1 - Antimicrobials - Antibiotics - Penicillins -
fluconazole - D - Antimicrobials - Antifungal agents (see also topical antifungals) -
flucytosine - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
fludarabine - D - Antineoplastic Agents - Antibiotic cytotoxic agents -
fludrocortisone (systemic) - C - Endocrine System - Corticosteroids - Systemic -
fludrocortisone (topical) - A - Endocrine System - Corticosteroids - Topical -
flumazenil - B3 - Detoxifying Agents, Antidotes -
flumethasone - A - Endocrine System - Corticosteroids - Topical -
flunisolide - B3 - Endocrine System - Corticosteroids - Inhalation/intranasal -
flunitrazepam - C - Central Nervous System - Benzodiazepines -
fluocinolone - A - Endocrine System - Corticosteroids - Topical -
fluocortolone - A - Endocrine System - Corticosteroids - Topical -
fluorescein sodium (systemic) - B2 - Ophthalmic Drugs -
fluorometholone - B3 - Ophthalmic Drugs -
fluorouracil - D - Antineoplastic Agents - Antimetabolites -
fluoxetine - C - Central Nervous System - Antidepressants - Selective serotonin reuptake inhibitors (SSRIs) -
fluoxymesterone - D - Endocrine System - Androgens and anabolic steroids -
flupenthixol - C - Central Nervous System - Antipsychotic drugs -
fluphenazine - C - Central Nervous System - Antipsychotic drugs - Phenothiazines -
flurazepam - C - Central Nervous System - Benzodiazepines -
flurbiprofen - B2 - Ophthalmic Drugs -
fluticasone - B3 - Endocrine System - Corticosteroids - Inhalation/intranasal -
fluticasone - B3 - Respiratory System - Inhalational agents - Preventative aerosols and inhalations -
fluvastatin - D - Cardiovascular System - Hypolipidaemic agents -
fluvoxamine - C - Central Nervous System - Antidepressants - Selective serotonin reuptake inhibitors (SSRIs) -
folic acid - A - Blood and Haemopoietic System -
folinic acid (leucovorin) - A - Blood and Haemopoietic System -
follicle stimulating hormone (recombinant human) - B3 - Endocrine System - Ovulation inducers - Gonadotrophins -
follitropin alfa - D - Endocrine System - Pituitary hormones -
follitropin beta - B2 - Endocrine System - Pituitary hormones -
fomivirsen - B2 - Antimicrobials - Antiviral agents -
fondaparinux - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
fosamprenavir - B3 - Antimicrobials - Antiviral agents -
fosaprepitant - B2 - Antineoplastic Agents - Non-cytotoxic supportive therapy -
foscarnet - B3 - Antimicrobials - Antiviral agents -
fosinopril - D - Cardiovascular System - Antihypertensives - Angiotensin converting enzyme (ACE) inhibitors -
fotemustine - D - Antineoplastic Agents - Alkylating agents -
framycetin - D - Antimicrobials - Antibiotics - Aminoglycosides -
frusemide - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
fulvestrant - D - Antineoplastic Agents - Hormonal antineoplastic agents -
fusidic acid - C - Antimicrobials - Antibiotics -
FVIII inhibitor bypassing fraction - B2 - Cardiovascular System - Haemostatic agents -
gabapentin - B1 - Central Nervous System - Anticonvulsants/antiepileptics -
gadobenate - B3 - Diagnostic Agents - Radiographic agents -
gadodiamide - B3 - Diagnostic Agents - Radiographic agents -
gadofosveset - B3 - Diagnostic Agents - Radiographic agents -
gadopentetate dimeglumine - B2 - Diagnostic Agents - Radiographic agents -
gadoteridol - B3 - Diagnostic Agents - Radiographic agents -
gadoversetamide - B3 - Diagnostic Agents - Radiographic agents -
gadoxetate - B3 - Diagnostic Agents - Radiographic agents -
galactose with palmitic acid - B2 - Diagnostic Agents - Radiographic agents -
galantamine - B1 - Cholinergic and Anticholinergic Agents -
gallamine - C - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
galsulfase - B3 - Metabolism - Agents used for the treatment of metabolic disorders -
ganciclovir - D - Antimicrobials - Antiviral agents -
ganirelix - D - Endocrine System - Pituitary inhibitors -
gatifloxacin - B3 - Antimicrobials - Antibiotics - Quinolones -
gefitinib - C - Antineoplastic Agents - Tyrosine kinase inhibitors -
gelatin - succinylated - B3 - Cardiovascular System -
gemcitabine - D - Antineoplastic Agents - Antimetabolites -
gemeprost - B3 - Genitourinary System - Agents acting on the uterus -
gemfibrozil - B3 - Cardiovascular System - Hypolipidaemic agents -
gentamicin - D - Antimicrobials - Antibiotics - Aminoglycosides -
gestoden - B3 - Endocrine System - Progestogens (see also oral contraceptives) -
gestrinone - D - Endocrine System - Pituitary inhibitors -
glatiramer - B1 - Allergy and Immune System - Immunomodifiers -
glibenclamide - C - Endocrine System - Hypoglycaemic agents -
gliclazide - C - Endocrine System - Hypoglycaemic agents -
glimepiride - C - Endocrine System - Hypoglycaemic agents -
glipizide - C - Endocrine System - Hypoglycaemic agents -
glucagon - B3 - Detoxifying Agents, Antidotes -
glyceryl trinitrate - B2 - Cardiovascular System - Antiangina agents -
glyceryl trinitrate - B2 - Cardiovascular System - Vasodilators -
glycopyrrolate - B2 - Alimentary System - Antispasmodics -
glycopyrrolate - B2 - Cholinergic and Anticholinergic Agents -
golimumab - C - Allergy and immune System - Immunomodifiers -
gonadotrophin - human chorionic - A - Endocrine System - Ovulation inducers - Gonadotrophins -
gonadotrophin - human menopausal - C - Endocrine System - Ovulation inducers - Gonadotrophins -
goserelin - D - Antineoplastic Agents - Hormonal antineoplastic agents -
goserelin - D - Endocrine System - Pituitary hormones -
granisetron - B1 - Central Nervous System - Antiemetics, antinauseants -
griseofulvin - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
guaiphenesin - A - Respiratory System - Expectorants and mucolytics -
guanethidine - A - Cardiovascular System - Antihypertensives -
haemophilus influenza type B vaccine - B2 - Vaccines - Killed vaccines -
halcinonide - A - Endocrine System - Corticosteroids - Topical -
haloperidol - C - Central Nervous System - Antipsychotic drugs - Butyrophenones -
halothane - A - Drugs Used in Anaesthesia - General anaesthetics -
heparin - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
hepatitis A vaccine - B2 - Vaccines - Killed vaccines -
hepatitis B vaccine - B2 - Vaccines - Killed vaccines -
hexamine - A - Genitourinary System - Urinary antiseptics -
homatropine - B2 - Ophthalmic Drugs -
hydralazine - C - Cardiovascular System - Antihypertensives -
hydrochlorothiazide - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
hydrocortisone - A - Endocrine System - Corticosteroids - Systemic -
hydromorphone - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
hydroxychloroquine - D - Musculoskeletal System - Antirheumatoid agents -
hydroxychloroquine (antimalarial) - D - Antimicrobials - Antimalarials -
hydroxyprogesterone - D - Endocrine System - Progestogens (see also oral contraceptives) -
hydroxyquinoline - A - Drugs used in Dermatology - Topical antifungals, antiseptics (see also antifungal agents) -
hydroxyurea - D - Antineoplastic Agents - Antimetabolites -
hydroxyzine - A - Allergy and Immune System - Antihistamines -
hyoscine - B2 - Central Nervous System - Antiemetics, antinauseants -
hyoscine - B2 - Cholinergic and Anticholinergic Agents -
hyoscine hydrobromide - B2 - Central Nervous System - Antiemetics, antinauseants -
hyoscine methobromide - A - Cholinergic and Anticholinergic Agents -
hyoscine-N-butylbromide - B2 - Alimentary System - Antispasmodics -
hyoscine-N-butylbromide - B2 - Cholinergic and Anticholinergic Agents -
hyoscyamine - B2 - Alimentary System - Antidiarrhoeals -
hyoscyamine - B2 - Cholinergic and Anticholinergic Agents -
ibandronate - B3 - Endocrine System - Agents affecting calcium and bone metabolism - Bisphosphonates -
ibuprofen - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
ibutilide - B3 - Cardiovascular System - Antiarrhythmics -
Icatibant - C - Cardiovascular System -
idarubicin - D - Antineoplastic Agents - Antibiotic cytotoxic agents -
idoxuridine (ophthalmic) - B3 - Ophthalmic Drugs -
idoxuridine (topical) - B1 - Drugs used in Dermatology - Topical antiviral -
idursulfase - B2 - Metabolism - Agents used for the treatment of metabolic disorders -
ifosfamide - D - Antineoplastic Agents - Alkylating agents -
iloprost - B3 - Cardiovascular System - Vasodilators -
imatinib - D - Antineoplastic Agents - Tyrosine kinase inhibitors -
imiglucerase - B2 - Metabolism - Agents used for the treatment of metabolic disorders -
imipenem with cilastatin - B3 - Antimicrobials - Antibiotics -
imipramine - C - Central Nervous System - Antidepressants - Tricyclic antidepressants -
imiquimod - B1 - Drugs used in Dermatology - Topical antiviral -
Indacaterol - B3 - Respiratory System - Inhalational agents - Bronchospasm relaxants -
indapamide - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
indigo carmine - B2 - Genitourinary System -
indinavir - B3 - Antimicrobials - Antiviral agents -
indomethacin - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
infliximab - C - Allergy and Immune System - Immunomodifiers -
influenza vaccine (pandemic) - B2 - Vaccines - Killed vaccines -
influenza vaccine (prepandemic) - B2 - Vaccines - Killed vaccines -
influenza vaccine (seasonal, AGRIPPAL S1TM) - B1 - Vaccines - Killed vaccines -
influenza vaccine (seasonal, except AGRIPPAL S1TM) - B2 - Vaccines - Killed vaccines -
influenza vaccine (seasonal, INTANZA) - B1 - Vaccines - Killed vaccines -
ingenol - B3 - Drugs used in Dermatology - Topical -
insulin - aspart - A - Endocrine System - Hypoglycaemic agents - Insulins -
insulin - detemir - B3 - Endocrine System - Hypoglycaemic agents - Insulins -
insulin - glargine - B3 - Endocrine System - Hypoglycaemic agents - Insulins -
insulin - glulisine - B3 - Endocrine System - Hypoglycaemic agents - Insulins -
insulin - lispro - A - Endocrine System - Hypoglycaemic agents - Insulins -
interferon alpha-2a - B3 - Allergy and Immune System - Immunomodifiers -
interferon alpha-2b - B3 - Allergy and Immune System - Immunomodifiers -
interferon beta-1a - D - Allergy and Immune System - Immunomodifiers -
interferon beta-1b - D - Allergy and Immune System - Immunomodifiers -
interferon gamma-1b - B3 - Allergy and Immune System - Immunomodifiers -
iodixanol - B1 - Diagnostic Agents - Radiographic agents -
iodoform with bismuth subnitrate - D - Drugs used in Dermatology - Topical antifungals, antiseptics (see also antifungal agents) -
iomeprol - B3 - Diagnostic Agents - Radiographic agents -
iopromide - B2 - Diagnostic Agents - Radiographic agents -
ioversol - B1 - Diagnostic Agents - Radiographic agents -
ipecacuanha - A - Respiratory System - Expectorants and mucolytics -
ipilimumab - C - Antineoplastic Agents - Monoclonal antibodies -
ipratropium bromide - B1 - Respiratory System - Inhalational agents - Bronchospasm relaxants -
irbesartan - D - Cardiovascular System - Antihypertensives - Angiotensin II receptor antagonists and renin inhibitors -
irinotecan - D - Antineoplastic Agents -
iron polymaltose (oral) - A - Blood and Haemopoietic System -
iron polymaltose (parenteral) - A - Blood and Haemopoietic System -
iron sucrose (parenteral) - B3 - Blood and Haemopoietic System -
isoconazole - B2 - Genitourinary System - Topical vaginal medication -
isoflurane - B3 - Drugs Used in Anaesthesia - General anaesthetics -
isoniazid - A - Antimicrobials - Antituberculotics and antileprotics -
isoprenaline - A - Cardiovascular System - Adrenergic stimulants -
isoprenaline - A - Respiratory System - Inhalational agents - Bronchospasm relaxants -
isosorbide dinitrate - B1 - Cardiovascular System - Antiangina agents -
isosorbide dinitrate - B1 - Cardiovascular System - Vasodilators -
isosorbide mononitrate - B2 - Cardiovascular System - Antiangina agents -
isotretinoin (systemic) - X - Drugs used in Dermatology - Systemic -
isotretinoin (topical) - D - Drugs used in Dermatology - Topical -
isoxsuprine - C - Cardiovascular System - Vasodilators -
isradipine - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
itraconazole - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
ivabradine - D - Cardiovascular System - Antiangina agents -
ivermectin - B3 - Antimicrobials - Anthelmintics -
Japanese encephalitis vaccine (inactivated) - B1 - Vaccines - Killed vaccines -
Japanese encephalitis vaccine (live, attenuated) - B1 - Vaccines - Live attenuated virus vaccines -
Japanese encephalitis vaccine (live, recombinant) - B2 - Vaccines - Live attenuated virus vaccines -
kanamycin - D - Antimicrobials - Antibiotics - Aminoglycosides -
ketamine - B3 - Drugs Used in Anaesthesia - General anaesthetics -
ketoconazole - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
ketoprofen - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
ketorolac - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
ketotifen - B1 - Ophthalmic Drugs -
labetalol - C - Cardiovascular System - Beta-adrenergic blocking agents -
lacosamide - B3 - Central Nervous System - Anticonvulsants/antiepileptics -
lamivudine - B3 - Antimicrobials - Antiviral agents -
lamotrigine - D - Central Nervous System - Anticonvulsants/antiepileptics -
lanreotide - C - Endocrine System - Pituitary hormones -
lansoprazole - B3 - Alimentary System - Hyperacidity, reflux, ulcers -
lanthanum - B3 - Detoxifying Agents, Antidotes -
lapatinib - C - Antineoplastic Agents - Tyrosine kinase inhibitors -
laronidase - B2 - Metabolism - Agents used for the treatment of metabolic disorders -
latanoprost - B3 - Ophthalmic Drugs -
laureth - B3 - Cardiovascular System -
leflunomide - X - Allergy and Immune System - Immunomodifiers -
lenalidomide - X - Allergy and Immune System - Immunomodifiers -
lenograstim - B3 - Blood and Haemopoietic System - Haemopoietic agents -
lepirudin - B3 - Cardiovascular System - Anticoagulants and thrombolytic agents -
lercanidipine - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
letrozole - D - Antineoplastic Agents - Hormonal antineoplastic agents -
leuprorelin - D - Antineoplastic Agents - Hormonal antineoplastic agents -
levamisole - B3 - Allergy and Immune System - Immunomodifiers -
levetiracetam - B3 - Central Nervous System - Anticonvulsants/antiepileptics -
levobunolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
levobunolol (ophthalmic) - C - Ophthalmic Drugs -
levobupivacaine - B3 - Drugs Used in Anaesthesia - Local anaesthetics -
levocabastine - B3 - Allergy and Immune System - Antihistamines -
levocabastine (ophthalmic) - B3 - Ophthalmic Drugs -
levocetirizine - B2 - Allergy and Immune System - Antihistamines -
levodopa - B3 - Central Nervous System - Antiparkinson agents -
levonorgestrel - B3 - Contraceptive Agents - Oral contraceptives -
lignocaine - A - Cardiovascular System - Antiarrhythmics -
lignocaine - A - Drugs Used in Anaesthesia - Local anaesthetics -
linagliptin - B3 - Endocrine System - Hypoglycaemic agents -
lincomycin - A - Antimicrobials - Antibiotics -
lindane - B3 - Drugs used in Dermatology - Topical antiparasitics -
linezolid - B3 - Antimicrobials - Antibiotics -
liothyronine - A - Endocrine System - Thyroid hormones -
liraglutide (rys) - B3 - Endocrine System - Hypoglycaemic agents -
lisinopril - D - Cardiovascular System - Antihypertensives - Angiotensin converting enzyme (ACE) inhibitors -
lithium salts - D - Central Nervous System - Antipsychotic drugs -
lodoxamide trometamol - B1 - Ophthalmic Drugs -
lomustine - D - Antineoplastic Agents - Alkylating agents -
loperamide - B3 - Alimentary System - Antidiarrhoeals -
lopinavir with ritonavir - B3 - Antimicrobials - Antiviral agents -
loracarbef - B1 - Antimicrobials - Antibiotics - Cephalosporins -
loratadine - B1 - Allergy and Immune System - Antihistamines -
lorazepam - C - Central Nervous System - Benzodiazepines -
losartan - D - Cardiovascular System - Antihypertensives - Angiotensin II receptor antagonists and renin inhibitors -
lumiracoxib - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
lutropin alfa - B3 - Endocrine System - Pituitary hormones -
lypressin - B2 - Endocrine System - Antidiuretics -
maldison (malathion) - B2 - Drugs used in Dermatology - Topical antiparasitics -
mannitol - B2 - Cardiovascular System -
maraviroc - B1 - Antimicrobials - Antiviral agents -
mazindol - B3 - Metabolism - Anorectic and weight reducing agents -
measles vaccine - B2 - Vaccines - Live attenuated virus vaccines -
measles-mumps vaccine - B2 - Vaccines - Live attenuated virus vaccines -
measles-mumps-rubella vaccine - B2 - Vaccines - Live attenuated virus vaccines -
measles-mumps-rubella-varicella vaccine - B2 - Vaccines - Live attenuated virus vaccines -
mebendazole - B3 - Antimicrobials - Anthelmintics -
mebeverine - B2 - Alimentary System - Antispasmodics -
medroxyprogesterone (IM contraceptive dose) - A - Contraceptive Agents -
medroxyprogesterone (oral & SC high dose) - D - Endocrine System - Progestogens (see also oral contraceptives) -
medroxyprogesterone (oral and IM high dose) - D - Antineoplastic Agents - Hormonal antineoplastic agents -
mefenamic acid - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
mefloquine - B3 - Antimicrobials - Antimalarials -
mefruside - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
megestrol - D - Endocrine System - Progestogens (see also oral contraceptives) -
melatonin - B3 - Central Nervous System - Hypnotics and sedatives -
meloxicam - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
melphalan - D - Antineoplastic Agents - Alkylating agents -
memantine - B2 - Central Nervous System -
meningococcal vaccine (oligosaccharide) - B1 - Vaccines - killed vaccines -
meningococcal vaccine (polysaccharide) - B2 - Vaccines - Killed vaccines -
mepivacaine - A - Drugs Used in Anaesthesia - Local anaesthetics -
meprobamate - C - Central Nervous System - Hypnotics and sedatives -
mercaptopurine - D - Antineoplastic Agents - Antimetabolites -
meropenem - B2 - Antimicrobials - Antibiotics -
mesalazine - C - Alimentary System - Antidiarrhoeals -
mesna - B1 - Antineoplastic Agents - Non-cytotoxic supportive therapy -
mesterolone - X - Endocrine System - Androgens and anabolic steroids -
mestranol - B3 - Endocrine System - Oestrogens (see also oral contraceptives) -
metaraminol - C - Cardiovascular System - Adrenergic stimulants -
metformin - C - Endocrine System - Hypoglycaemic agents -
methacycline - D - Antimicrobials - Antibiotics - Tetracyclines -
methadone - C - Agents used in dependency states -
methadone - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
methdilazine - B2 - Allergy and Immune System - Antihistamines -
methenolone - D - Endocrine System - Androgens and anabolic steroids -
methocarbamol - B2 - Musculoskeletal System - Muscle relaxants -
methohexitone - B2 - Drugs Used in Anaesthesia - General anaesthetics -
methotrexate - D - Antineoplastic Agents - Antimetabolites -
methoxsalen - B2 - Drugs used in Dermatology - Topical -
methoxy polyethylene glycol-epoetin beta - B3 - Blood and Haemopoietic System - Haemopoietic agents -
methoxyflurane - C - Drugs Used in Anaesthesia - General anaesthetics -
methsuximide - D - Central Nervous System - Anticonvulsants/antiepileptics -
methyclothiazide - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
methyl aminolevulinate - B2 - Antineoplastic Agents -
methyldopa - A - Cardiovascular System - Antihypertensives -
methylene blue - D - Blood and Haemopoietic System -
methylnaltrexone - B1 - Central Nervous System -
methylphenidate - B2 - Central Nervous System - CNS stimulants -
methylphenobarbitone - D - Central Nervous System - Anticonvulsants/antiepileptics -
methylprednisolone - A - Endocrine System - Corticosteroids - Systemic -
methylprednisolone aceponate - C - Endocrine System - Corticosteroids - Topical -
methyltestosterone - D - Endocrine System - Androgens and anabolic steroids -
methysergide - C - Cardiovascular System - Antimigraine preparations -
metoclopramide - A - Central Nervous System - Antiemetics, antinauseants -
metolazone - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
metoprolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
metronidazole - B2 - Antimicrobials - Antibiotics -
metyrapone - B2 - Diagnostic Agents - Pituitary-adrenal response test -
mexiletine - B1 - Cardiovascular System - Antiarrhythmics -
mezlocillin - B1 - Antimicrobials - Antibiotics - Penicillins -
mianserin - B2 - Central Nervous System - Antidepressants - Tetracyclic antidepressants -
micafungin - B3 - Antimicrobials - Antibiotics -
miconazole - A - Drugs used in Dermatology - Topical antifungals, antiseptics (see also antifungal agents) -
miconazole - A - Genitourinary System - Topical vaginal medication -
midazolam - C - Central Nervous System - Benzodiazepines -
miglitol - B3 - Endocrine System - Hypoglycaemic agents -
miglustat - D - Metabolism - Agents used for the treatment of metabolic disorders -
milnacipran - B3 - Central Nervous System - Antidepressants -
milrinone - B3 - Cardiovascular System - Cardiac inotropic agents -
minocycline - D - Antimicrobials - Antibiotics - Tetracyclines -
minoxidil - C - Cardiovascular System - Antihypertensives -
mirtazapine - B3 - Central Nervous System - Antidepressants -
misoprostol - X - Alimentary System - Hyperacidity, reflux, ulcers -
mitomycin - D - Antineoplastic Agents - Antibiotic cytotoxic agents -
mitozantrone - D - Antineoplastic Agents - Antibiotic cytotoxic agents -
mivacurium - B2 - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
moclobemide - B3 - Central Nervous System - Antidepressants -
modafinil - B3 - Central Nervous System - CNS stimulants -
molgramostim - B3 - Blood and Haemopoietic System - Haemopoietic agents -
mometasone - B3 - Endocrine System - Corticosteroids - Topical -
montelukast - B1 - Respiratory System -
moroctocog alfa (factor VIII - rch) - B2 - Cardiovascular System - Haemostatic agents -
morphine - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
moxifloxacin - B3 - Antimicrobials - Antibiotics - Quinolones -
moxonidine - B3 - Cardiovascular System - Antihypertensives -
mumps vaccine - B2 - Vaccines - Live attenuated virus vaccines -
mupirocin - B1 - Antimicrobials - Antibiotics -
mustine - D - Antineoplastic Agents - Alkylating agents -
mycophenolate mofetil - D - Allergy and Immune System - Immunomodifiers -
mycophenolic acid - D - Allergy and Immune System - Immunomodifiers -
nabumetone - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
nadroparin - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
nafarelin - D - Endocrine System - Pituitary hormones -
nalidixic acid - A - Antimicrobials - Antibiotics -
naloxone - B1 - Detoxifying Agents, Antidotes -
naltrexone - B3 - Agents used in dependency states -
nandrolone - D - Endocrine System - Androgens and anabolic steroids -
naproxen - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
naratriptan - B3 - Cardiovascular System - Antimigraine preparations -
natalizumab - C - Allergy and Immune System - Immunomodifiers -
nateglinide - C - Endocrine System - Hypoglycaemic agents -
nebivolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
nedocromil - B1 - Respiratory System - Inhalational agents - Preventative aerosols and inhalations -
nefazodone - B3 - Central Nervous System - Antidepressants -
nelfinavir - B2 - Antimicrobials - Antiviral agents -
neomycin - D - Antimicrobials - Antibiotics - Aminoglycosides -
neostigmine - B2 - Drugs Used in Myasthenia Gravis -
netilmicin - D - Antimicrobials - Antibiotics - Aminoglycosides -
nevirapine - B3 - Antimicrobials - Antiviral agents -
nicardipine - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
nicorandil - B3 - Cardiovascular System - Antiangina agents -
nicotine - D - Agents used in dependency states -
nicotinic acid - B2 - Cardiovascular System - Hypolipidaemic agents -
nicotinic acid - B2 - Cardiovascular System - Vasodilators -
nicotinic acid - B2 - Vitamins -
nicotinyl alcohol - B1 - Cardiovascular System - Vasodilators -
nifedipine - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
nilotinib - D - Antineoplastic Agents - Tyrosine kinase inhibitors -
nimodipine - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
nisoldipine - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
nitisinone - B3 - Metabolism - Agents used for the treatment of metabolic disorders -
nitrazepam - C - Central Nervous System - Benzodiazepines -
nitric oxide - B2 - Cardiovascular System - Vasodilators -
nitrofurantoin (short term therapy) - A - Antimicrobials - Antibiotics -
nitrous oxide - A - Drugs Used in Anaesthesia - General anaesthetics -
nizatidine - B3 - Alimentary System - Hyperacidity, reflux, ulcers -
nomegestrol with oestradiol - B3 - Contraceptive Agents -
nonacog alfa (rch) - B2 - Cardiovascular System - Haemostatic agents -
nonoxinol 9 - A - Contraceptive Agents - Vaginal spermicides -
norelgestromin with ethinyloestradiol - B3 - Contraceptive Agents -
norethisterone - D - Endocrine System - Progestogens (see also oral contraceptives) -
norfloxacin - B3 - Antimicrobials - Antibiotics - Quinolones -
nortriptyline - C - Central Nervous System - Antidepressants - Tricyclic antidepressants -
nystatin - A - Antimicrobials - Antifungal agents (see also topical antifungals) -
nystatin - A - Genitourinary System - Topical vaginal medication -
octocog alfa (factor VIII - rch) - B2 - Cardiovascular System - Haemostatic agents -
octoxinol - A - Contraceptive Agents - Vaginal spermicides -
octreotide - C - Endocrine System - Pituitary hormones -
oestradiol - B1 - Endocrine System - Oestrogens (see also oral contraceptives) -
oestriol - B1 - Endocrine System - Oestrogens (see also oral contraceptives) -
oestrogens conjugated - D - Endocrine System - Oestrogens (see also oral contraceptives) -
oestrone - B1 - Endocrine System - Oestrogens (see also oral contraceptives) -
ofatumumab - C - Antineoplastic Agents - Monoclonal antibodies -
ofloxacin - B3 - Antimicrobials - Antibiotics - Quinolones -
olanzapine - C - Central Nervous System - Antipsychotic drugs -
olmesartan - D - Cardiovascular System - Antihypertensives - Angiotensin II receptor antagonists and renin inhibitors -
olopatadine - B1 - Ophthalmic Drugs -
olsalazine - C - Alimentary System - Antidiarrhoeals -
omalizumab - B1 - Respiratory System -
omega-3-acid ethyl esters 90 - B1 - Cardiovascular System - Hypolipidaemic agents -
omeprazole - B3 - Alimentary System - Hyperacidity, reflux, ulcers -
ondansetron - B1 - Central Nervous System - Antiemetics, antinauseants -
opium alkaloids and derivatives - A - Respiratory System - Antitussives -
oral contraceptives, combined - B3 - Contraceptive Agents - Oral contraceptives -
orciprenaline - A - Cardiovascular System - Adrenergic stimulants -
orciprenaline - A - Respiratory System - Inhalational agents - Bronchospasm relaxants -
orlistat - B1 - Metabolism - Anorectic and weight reducing agents -
ornipressin - B3 - Cardiovascular System - Haemostatic agents -
orphenadrine - B2 - Musculoskeletal System - Muscle relaxants -
oseltamivir - B1 - Antimicrobials - Antiviral agents -
oxaliplatin - D - Antineoplastic Agents -
oxandrolone - D - Endocrine System - Androgens and anabolic steroids -
oxazepam - C - Central Nervous System - Benzodiazepines -
oxcarbazepine - D - Central Nervous System - Anticonvulsants/antiepileptics -
oxpentifylline - B1 - Cardiovascular System -
oxprenolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
oxybuprocaine - D - Ophthalmic Drugs -
oxybutynin - B1 - Genitourinary System - Bladder function disorders -
oxycodone - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
oxymetholone - D - Endocrine System - Androgens and anabolic steroids -
oxytetracycline - D - Antimicrobials - Antibiotics - Tetracyclines -
oxytocin - A - Genitourinary System - Agents acting on the uterus -
paclitaxel - D - Antineoplastic Agents - Antimetabolites -
palifermin - B3 - Antineoplastic Agents - Non-cytotoxic supportive therapy -
paliperidone - C - Central Nervous System - Antipsychotic drugs -
palonosetron - B1 - Central Nervous System - Antiemetics, antinauseants -
pamidronate - B3 - Endocrine System - Agents affecting calcium and bone metabolism - Bisphosphonates -
pancuronium - B2 - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
panitumumab - C - Antineoplastic Agents - Monoclonal antibodies -
pantoprazole - B3 - Alimentary System - Hyperacidity, reflux, ulcers -
papaveretum - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
papaverine - A - Cardiovascular System - Vasodilators -
papaverine - A - Cholinergic and Anticholinergic Agents -
papillomavirus vaccine - B2 - Vaccines - Killed vaccines -
paracetamol - A - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) -
paraldehyde - D - Central Nervous System - Hypnotics and sedatives -
parecoxib - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
paricalcitol - C - Endocrine System - Agents affecting calcium and bone metabolism -
paroxetine - D - Central Nervous System - Antidepressants - Selective serotonin reuptake inhibitors (SSRIs) -
pazopanib - D - Antineoplastic Agents - Tyrosine kinase inhibitors -
pegfilgrastim - B3 - Blood and Haemopoietic System - Haemopoietic agents -
peginterferon alfa-2a - B3 - Allergy and Immune System - Immunomodifiers -
peginterferon alfa-2b - B3 - Allergy and Immune System - Immunomodifiers -
pegvisomant - B3 - Endocrine System - Pituitary inhibitors -
pemetrexed - D - Antineoplastic Agents - Antimetabolites -
penciclovir - B1 - Drugs used in Dermatology - Topical antiviral -
penicillamine - D - Detoxifying Agents, Antidotes -
penicillamine - D - Musculoskeletal System - Antirheumatoid agents -
pentamidine - B3 - Antimicrobials - Antibiotics -
pentastarch - B3 - Cardiovascular System -
pentazocine - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
pentobarbitone - C - Central Nervous System - Hypnotics and sedatives - Barbiturates -
pentosan polysulfate sodium - B1 - Genitourinary System - Bladder function disorders -
perflutren - B3 - Diagnostic Agents - Radiographic agents -
pergolide - C - Central Nervous System - Antiparkinson agents -
perhexiline - B2 - Cardiovascular System - Antiangina agents -
pericyazine - C - Central Nervous System - Antipsychotic drugs - Phenothiazines -
perindopril - D - Cardiovascular System - Antihypertensives - Angiotensin converting enzyme (ACE) inhibitors -
permethrin - B2 - Drugs used in Dermatology - Topical antiparasitics -
perphenazine - C - Central Nervous System - Antipsychotic drugs - Phenothiazines -
pertussis vaccine - B2 - Vaccines - Killed vaccines -
pertuzumab - D - Antineoplastic Agents - Monoclonal antibodies -
pethidine - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
phenelzine - B3 - Central Nervous System - Antidepressants - Monoamine oxidase inhibitors -
phenindione - D - Cardiovascular System - Anticoagulants and thrombolytic agents -
pheniramine - A - Allergy and Immune System - Antihistamines -
phenobarbitone - D - Central Nervous System - Anticonvulsants/antiepileptics -
phenolphthalein - B2 - Alimentary System - Laxatives -
phenoperidine - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
phenoxybenzamine - B2 - Cardiovascular System - Vasodilators -
phenoxymethylpenicillin - A - Antimicrobials - Antibiotics - Penicillins -
phensuximide - D - Central Nervous System - Anticonvulsants/antiepileptics -
phentermine - B3 - Metabolism - Anorectic and weight reducing agents -
phentolamine - B1 - Cardiovascular System - Vasodilators -
phenylbutazone - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
phenylephrine - B2 - Cardiovascular System - Adrenergic stimulants -
phenylephrine - B2 - Respiratory System - Decongestants -
phenylpropanolamine - B2 - Cardiovascular System - Adrenergic stimulants -
phenylpropanolamine - B2 - Respiratory System - Decongestants -
phenytoin sodium - D - Central Nervous System - Anticonvulsants/antiepileptics -
pholcodine - A - Respiratory System - Antitussives -
physostigmine - C - Musculoskeletal System - Muscle relaxants -
pilocarpine - B3 - Ophthalmic Drugs -
pimecrolimus - B3 - Drugs used in Dermatology - Topical -
pimozide - C - Central Nervous System - Antipsychotic drugs -
pindolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
pioglitazone - B3 - Endocrine System - Hypoglycaemic agents -
pipecuronium - C - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
piperacillin - B1 - Antimicrobials - Antibiotics - Penicillins -
piperacillin with tazobactam - B1 - Antimicrobials - Antibiotics - Penicillins -
piperazine oestrone sulfate - B1 - Endocrine System - Oestrogens (see also oral contraceptives) -
piperonyl butoxide - B3 - Drugs used in Dermatology - Topical antiparasitics -
piroxicam - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
pitavastatin - D - Cardiovascular System - Hypolipidaemic agents -
pizotifen - B1 - Cardiovascular System - Antimigraine preparations -
plerixafor - D - Blood and Haemopoietic System - Haemopoietic agents -
pneumococcal vaccine - B2 - Vaccines - Killed vaccines -
podophyllotoxin - D - Drugs used in Dermatology - Topical - Antimitotic agent -
poliomyelitis vaccine (injection) - B2 - Vaccines - Killed vaccines -
poliomyelitis vaccine (oral) - A - Vaccines - Live attenuated virus vaccines -
posaconazole - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
pramipexole - B3 - Central Nervous System - Antiparkinson agents -
prasugrel - B1 - Cardiovascular System - Anticoagulants and thrombolytic agents -
pravastatin - D - Cardiovascular System - Hypolipidaemic agents -
praziquantel - B1 - Antimicrobials - Anthelmintics -
prazosin - B2 - Cardiovascular System - Antihypertensives -
prednisolone - A - Endocrine System - Corticosteroids - Systemic -
prednisone - A - Endocrine System - Corticosteroids - Systemic -
pregabalin - B3 - Central Nervous System - Anticonvulsants/antiepileptics -
prilocaine (with or without felypressin) - A - Drugs Used in Anaesthesia - Local anaesthetics -
primaquine phosphate - D - Antimicrobials - Antimalarials -
primidone - D - Central Nervous System - Anticonvulsants/antiepileptics -
probenecid - B2 - Musculoskeletal System - Agents used in gout and hyperuricaemia -
probucol - B1 - Cardiovascular System - Hypolipidaemic agents -
procainamide - B2 - Cardiovascular System - Antiarrhythmics -
procaine hydrochloride - B2 - Drugs Used in Anaesthesia - Local anaesthetics -
procaine penicillin - A - Antimicrobials - Antibiotics - Penicillins -
procarbazine - D - Antineoplastic Agents -
prochlorperazine - C - Central Nervous System - Antiemetics, antinauseants - Phenothiazines -
procyclidine - A - Central Nervous System - Antiparkinson agents -
progestogen only contraceptives - B3 - Contraceptive Agents - Oral contraceptives -
proguanil - B2 - Antimicrobials - Antimalarials -
promazine - C - Central Nervous System - Antipsychotic drugs - Phenothiazines -
promethazine - C - Allergy and Immune System - Antihistamines -
promethazine - C - Central Nervous System - Antiemetics, antinauseants - Phenothiazines -
propantheline - B2 - Alimentary System - Antispasmodics -
propantheline - B2 - Cholinergic and Anticholinergic Agents -
propofol - C - Drugs Used in Anaesthesia - General anaesthetics -
propranolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
propylthiouracil - C - Endocrine System - Antithyroid agents -
protamine - B2 - Cardiovascular System - Haemostatic agents -
protein c (human) - B2 - Cardiovascular System - Haemostatic agents -
protriptyline - C - Central Nervous System - Antidepressants - Tricyclic antidepressants -
proxymetacaine - B2 - Ophthalmic Drugs -
prucalopride - B1 - Alimentary System - Laxatives -
pseudoephedrine - B2 - Cardiovascular System - Adrenergic stimulants -
pseudoephedrine - B2 - Respiratory System - Decongestants -
pyrantel embonate - B2 - Antimicrobials - Anthelmintics -
pyrazinamide - B2 - Antimicrobials - Antituberculotics and antileprotics -
pyrethrins - B2 - Drugs used in Dermatology - Topical antiparasitics -
pyridostigmine - C - Drugs Used in Myasthenia Gravis -
pyrimethamine - B3 - Antimicrobials - Antimalarials -
quetiapine - C - Central Nervous System - Antipsychotic drugs -
quinagolide - B3 - Endocrine System - Pituitary inhibitors -
quinapril - D - Cardiovascular System - Antihypertensives - Angiotensin converting enzyme (ACE) inhibitors -
quinethazone - C - Cardiovascular System - Diuretics - Thiazides, related diuretics and loop diuretics -
quinidine - C - Cardiovascular System - Antiarrhythmics -
quinine - D - Musculoskeletal System - Muscle relaxants -
quinine (treatment) - D - Antimicrobials - Antimalarials -
rabeprazole - B1 - Alimentary System - Hyperacidity, reflux, ulcers -
rabies vaccine - B2 - Vaccines - Killed vaccines -
raloxifene - X - Endocrine System - Agents affecting calcium and bone metabolism -
raltegravir - B3 - Antimicrobials - Antiviral agents -
raltitrexed - D - Antineoplastic Agents - Antimetabolites -
ramipril - D - Cardiovascular System - Antihypertensives - Angiotensin converting enzyme (ACE) inhibitors -
ranibizumab - D - Ophthalmic Drugs -
ranitidine - B1 - Alimentary System - Hyperacidity, reflux, ulcers -
rasagiline - B3 - Central Nervous System - Antiparkinson agents -
rasburicase - B2 - Musculoskeletal System - Agents used in gout and hyperuricaemia -
reboxetine - B1 - Central Nervous System - Antidepressants -
remifentanil - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
repaglinide - C - Endocrine System - Hypoglycaemic agents -
reteplase - C - Cardiovascular System - Fibrinolytic agents -
retigabine - B3 - Central Nervous System - Anticonvulsants/antiepileptics -
ribavirin - X - Antimicrobials - Antiviral agents -
rifabutin - C - Antimicrobials - Antituberculotics and antileprotics -
rifampicin - C - Antimicrobials - Antituberculotics and antileprotics -
rifaximin - B1 - Antimicrobials - Antibiotics -
rilpivirine - B1 - Antimicrobials - Antiviral agents -
riluzole - B3 - Central Nervous System -
rimiterol - A - Cardiovascular System - Adrenergic stimulants -
rimiterol - A - Respiratory System - Inhalational agents - Bronchospasm relaxants -
risedronate - B3 - Endocrine System - Agents affecting calcium and bone metabolism - Bisphosphonates -
risperidone - C - Central Nervous System - Antipsychotic drugs -
ritonavir - B3 - Antimicrobials - Antiviral agents -
rituximab - C - Allergy and Immune System - Immunomodifiers -
rivaroxaban - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
rivastigmine - B2 - Cholinergic and Anticholinergic Agents -
rizatriptan - B1 - Cardiovascular System - Antimigraine preparations -
rocuronium - B2 - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
rofecoxib - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
romiplostim - B3 - Blood and Haemopoietic System - Haemopoietic agents -
ropinirole - B3 - Central Nervous System - Antiparkinson agents -
ropivacaine - B1 - Drugs Used in Anaesthesia - Local anaesthetics -
rosiglitazone - B3 - Endocrine System - Hypoglycaemic agents -
rosuvastatin - D - Cardiovascular System - Hypolipidaemic agents -
rotavirus vaccine - B2 - Vaccines - Live attenuated virus vaccines -
rotigotine - B3 - Central Nervous System - Antiparkinson agents -
roxithromycin - B1 - Antimicrobials - Antibiotics - Macrolide antibiotics -
rubella vaccine - B2 - Vaccines - Live attenuated virus vaccines -
ruxolitinib phosphate - C - Antineoplastic Agents -
salbutamol - A - Cardiovascular System - Adrenergic stimulants -
salbutamol - A - Genitourinary System - Agents acting on the uterus -
salbutamol - A - Respiratory System - Inhalational agents - Bronchospasm relaxants -
salcatonin - B2 - Endocrine System - Agents affecting calcium and bone metabolism -
salmeterol - B3 - Respiratory System - Inhalational agents - Bronchospasm relaxants -
salmeterol - B3 - Respiratory System - Inhalational agents - Preventative aerosols and inhalations -
samarium [153Sm] - D - Antineoplastic Agents -
saponins - A - Respiratory System - Expectorants and mucolytics -
sapropterin - B1 - Metabolism - Agents used for the treatment of metabolic disorders -
saquinavir - B1 - Antimicrobials - Antiviral agents -
saxagliptin - B3 - Endocrine System - Hypoglycaemic agents -
selegiline - B2 - Central Nervous System - Antiparkinson agents -
senna - A - Alimentary System - Laxatives -
sertindole - C - Central Nervous System - Antipsychotic drugs -
sertraline - C - Central Nervous System - Antidepressants - Selective serotonin reuptake inhibitors (SSRIs) -
sevelamer - B3 - Detoxifying Agents, Antidotes -
sevoflurane - B2 - Drugs Used in Anaesthesia - General anaesthetics -
sibutramine - C - Metabolism - Anorectic and weight reducing agents -
sildenafil citrate - B1 - Cardiovascular System - Vasodilators -
simvastatin - D - Cardiovascular System - Hypolipidaemic agents -
sirolimus - C - Allergy and Immune System - Immunomodifiers -
sitagliptin - B3 - Endocrine System - Hypoglycaemic agents -
sitaxentan - X - Cardiovascular System - Endothelin receptor antagonist -
smallpox vaccine - D - Vaccines - Live attenuated virus vaccines -
sodium aurothiomalate - B2 - Musculoskeletal System - Antirheumatoid agents -
sodium cromoglycate - A - Respiratory System - Inhalational agents - Preventative aerosols and inhalations -
sodium fusidate (fusidic acid) - C - Antimicrobials - Antibiotics -
sodium nitroprusside - C - Cardiovascular System - Antihypertensives -
sodium phosphate [32P] - X - Diagnostic Agents -
sodium salicylate - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
sodium valproate (valproic acid) - D - Central Nervous System - Anticonvulsants/antiepileptics -
solifenacin - B3 - Genitourinary System - Prostate hyperplasia -
somatropin - B2 - Endocrine System - Pituitary hormones -
sorafenib - D - Antineoplastic Agents - Tyrosine kinase inhibitors -
sotalol - C - Cardiovascular System - Beta-adrenergic blocking agents -
spectinomycin - B1 - Antimicrobials - Antibiotics -
spironolactone - B3 - Cardiovascular System - Diuretics - Potassium sparing diuretics -
spironolactone - B3 - Endocrine System - Antiandrogens -
stavudine - B3 - Antimicrobials - Antiviral agents -
streptokinase - C - Cardiovascular System - Fibrinolytic agents -
strontium ranelate - B3 - Endocrine System - Agents affecting calcium and bone metabolism -
sucralfate - B1 - Alimentary System - Hyperacidity, reflux, ulcers -
sugammadex - B2 - Drugs Used in Anaesthesia - Antagonists of neuromuscular blocking agents -
sulesomab - B2 - Diagnostic Agents - Radiographic agents -
sulfacetamide - C - Ophthalmic Drugs -
sulfadiazine - C - Antimicrobials - Antibiotics - Sulfonamides -
sulfadoxine - C - Antimicrobials - Antibiotics - Sulfonamides -
sulfamethizole - C - Antimicrobials - Antibiotics - Sulfonamides -
sulfamethoxazole - C - Antimicrobials - Antibiotics - Sulfonamides -
sulfasalazine - A - Alimentary System - Antidiarrhoeals -
sulfinpyrazone - B2 - Musculoskeletal System - Agents used in gout and hyperuricaemia -
sulindac - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
sulthiame - D - Central Nervous System - Anticonvulsants/antiepileptics -
sumatriptan - B3 - Cardiovascular System - Antimigraine preparations -
sunitinib - D - Antineoplastic Agents - Tyrosine kinase inhibitors -
suxamethonium - A - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
tacrine - C - Cholinergic and Anticholinergic Agents -
tacrolimus - C - Allergy and Immune System - Immunomodifiers -
tadalafil - B1 - Cardiovascular System - Vasodilators -
tafluprost - B3 - Ophthalmic Drugs -
tamoxifen - B3 - Antineoplastic Agents - Hormonal antineoplastic agents -
tamsulosin - B2 - Genitourinary System - Prostate hyperplasia -
tapentadol - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
tasonermin - D - Allergy and Immune System - Immunomodifiers -
tazarotene - D - Drugs used in Dermatology - Topical -
technetium [99mTc] - C - Diagnostic Agents -
tegafur - D - Antineoplastic Agents - Antimetabolites -
tegaserod - B3 - Alimentary System - Prokinetics -
teicoplanin - B3 - Antimicrobials - Antibiotics -
telaprevir - B2 - Antimicrobials - Antiviral agents -
telbivudine - B1 - Antimicrobials - Antiviral agents -
telmisartan - D - Cardiovascular System - Antihypertensives - Angiotensin II receptor antagonists and renin inhibitors -
temazepam - C - Central Nervous System - Benzodiazepines -
temozolomide - D - Antineoplastic Agents - Alkylating agents -
temsirolimus - D - Antineoplastic Agents -
tenecteplase - C - Cardiovascular System - Fibrinolytic agents -
teniposide - D - Antineoplastic Agents -
tenofovir - B3 - Antimicrobials - Antiviral agents -
tenoxicam - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
terazosin - B2 - Cardiovascular System - Antihypertensives -
terazosin - B2 - Genitourinary System - Bladder function disorders -
terbinafine - B1 - Antimicrobials - Antifungal agents (see also topical antifungals) -
terbutaline - A - Cardiovascular System - Adrenergic stimulants -
terbutaline - A - Respiratory System - Inhalational agents - Bronchospasm relaxants -
terfenadine - B2 - Allergy and Immune System - Antihistamines -
teriflunomide - X - Allergy and Immune System - Immunomodifiers -
teriparatide - B3 - Endocrine System - Agents affecting calcium and bone metabolism -
terlipressin - D - Cardiovascular System - Haemostatic agents -
testosterone - D - Endocrine System - Androgens and anabolic steroids -
tetanus vaccine - A - Vaccines - Killed vaccines -
tetrabenazine - B2 - Central Nervous System -
tetracosactrin - D - Diagnostic Agents - Pituitary-adrenal response test -
tetracycline - D - Antimicrobials - Antibiotics - Tetracyclines -
thalidomide - X - Allergy and Immune System - Immunomodifiers -
theophylline and derivatives - A - Respiratory System - Inhalational agents - Bronchospasm relaxants -
thiabendazole - B3 - Antimicrobials - Anthelmintics -
thiethylperazine - C - Central Nervous System - Antiemetics, antinauseants - Phenothiazines -
thioguanine - D - Antineoplastic Agents - Antimetabolites -
thiopentone - A - Drugs Used in Anaesthesia - General anaesthetics -
thiopropazate - C - Central Nervous System - Antipsychotic drugs - Phenothiazines -
thioridazine - C - Central Nervous System - Antipsychotic drugs - Phenothiazines -
thiotepa - D - Antineoplastic Agents - Alkylating agents -
thiothixene - C - Central Nervous System - Antipsychotic drugs -
thrombin - B2 - Cardiovascular System - Haemostatic agents -
thyrotrophin - B2 - Endocrine System - Pituitary hormones -
thyrotropin alfa - B2 - Diagnostic Agents - Radiographic agents -
thyroxine - A - Endocrine System - Thyroid hormones -
tiagabine - B3 - Central Nervous System - Anticonvulsants/antiepileptics -
tiaprofenic acid - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
tibolone - D - Endocrine System - Hormonal agents -
ticarcillin - B2 - Antimicrobials - Antibiotics - Penicillins -
ticlopidine - B1 - Cardiovascular System - Anticoagulants and thrombolytic agents -
tigecycline - D - Antimicrobials - Antibiotics - Tetracyclines -
tiludronate disodium - B2 - Endocrine System - Agents affecting calcium and bone metabolism -
timolol - C - Cardiovascular System - Beta-adrenergic blocking agents -
timolol (ophthalmic) - C - Ophthalmic Drugs -
tinidazole - B3 - Antimicrobials - Antibiotics -
tinzaparin - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
tiotropium - B1 - Respiratory System - Inhalational agents - Bronchospasm relaxants -
tipranavir - B3 - Antimicrobials - Antiviral agents -
tirilazad - B2 - Cardiovascular System -
tirofiban hydrochloride - B1 - Cardiovascular System - Antiangina agents -
tobramycin - D - Antimicrobials - Antibiotics - Aminoglycosides -
tocilizumab - C - Allergy and Immune System - Immunomodifiers -
tolazamide - C - Endocrine System - Hypoglycaemic agents -
tolbutamide - C - Endocrine System - Hypoglycaemic agents -
tolcapone - B3 - Central Nervous System - Antiparkinson agents -
tolterodine - B3 - Genitourinary System - Prostate hyperplasia -
tolvaptan - D - Cardiovascular System - Diuretics -
topiramate - D - Central Nervous System - Anticonvulsants/antiepileptics -
topotecan - D - Antineoplastic Agents - Antimetabolites -
toremifene - B3 - Antineoplastic Agents - Hormonal antineoplastic agents -
tramadol - C - Central Nervous System - Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents) - Opioid analgesics -
trandolapril - D - Cardiovascular System - Antihypertensives - Angiotensin converting enzyme (ACE) inhibitors -
tranexamic acid - B1 - Cardiovascular System - Haemostatic agents -
tranylcypromine - B2 - Central Nervous System - Antidepressants - Monoamine oxidase inhibitors -
trastuzumab - B2 - Antineoplastic Agents - Monoclonal antibodies -
travoprost - B3 - Ophthalmic Drugs -
treprostinil - B3 - Cardiovascular System - Vasodilators -
tretinoin - D - Drugs used in Dermatology - Topical -
tretinoin (oral) - X - Antineoplastic Agents -
triamcinolone (inhaled) - B3 - Endocrine System - Corticosteroids - Inhalation/intranasal -
triamcinolone (systemic) - A - Endocrine System - Corticosteroids - Systemic -
triamcinolone (topical) - A - Endocrine System - Corticosteroids - Topical -
triamterene - C - Cardiovascular System - Diuretics - Potassium sparing diuretics -
triazolam - C - Central Nervous System - Benzodiazepines -
trifluoperazine - C - Central Nervous System - Antipsychotic drugs - Phenothiazines -
trimeprazine - C - Allergy and Immune System - Antihistamines -
trimethoprim - B3 - Antimicrobials - Antibiotics -
trimipramine - C - Central Nervous System - Antidepressants - Tricyclic antidepressants -
triprolidine - A - Allergy and Immune System - Antihistamines -
triptorelin - D - Antineoplastic Agents - Hormonal antineoplastic agents -
troglitazone - B3 - Endocrine System - Hypoglycaemic agents -
tropicamide - B2 - Ophthalmic Drugs -
tropisetron - B3 - Central Nervous System - Antiemetics, antinauseants -
trovafloxacin - B3 - Antimicrobials - Antibiotics - Quinolones -
tubocurarine - C - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
typhoid vaccine (killed) - B2 - Vaccines - Killed vaccines -
typhoid vaccine (live attenuated, injection) - A - Vaccines - Live attenuated virus vaccines -
typhoid vaccine (live attenuated, oral) - B2 - Vaccines - Live attenuated virus vaccines -
unoprostone isopropyl - B3 - Ophthalmic Drugs -
urea [13C] - B2 - Diagnostic Agents - Radiographic agents -
urofollitrophin - B2 - Endocrine System - Ovulation inducers - Gonadotrophins -
urokinase - B1 - Cardiovascular System - Fibrinolytic agents -
ursodeoxycholic acid - B3 - Alimentary System - Cholelitholytics -
ustekinumab - B1 - Allergy and immune system - Immunomodifiers -
valaciclovir - B3 - Antimicrobials - Antiviral agents -
valdecoxib - C - Musculoskeletal System - Non-steroidal anti-inflammatory drugs (NSAIDS) -
valganciclovir - D - Antimicrobials - Antiviral agents -
valsartan - D - Cardiovascular System - Antihypertensives - Angiotensin II receptor antagonists and renin inhibitors -
vancomycin - B2 - Antimicrobials - Antibiotics -
vardenafil - B3 - Cardiovascular System - Vasodilators -
varenicline - B3 - Agents used in dependency states -
varicella vaccine - B2 - Vaccines - Live attenuated virus vaccines -
vasopressin - B2 - Endocrine System - Antidiuretics -
vecuronium - C - Drugs Used in Anaesthesia - Neuromuscular blocking agents -
velaglucerase alfa - B2 - Metabolism - Agents used for the treatment of metabolic disorders -
vemurafenib - D - Antineoplastic Agents -
venlafaxine - B2 - Central Nervous System - Antidepressants -
verapamil - C - Cardiovascular System - Antihypertensives - Calcium channel blockers -
verteporfin - B3 - Ophthalmic Drugs -
vigabatrin - D - Central Nervous System - Anticonvulsants/antiepileptics -
vildagliptin - B3 - Endocrine System - Hypoglycaemic agents -
vinblastine - D - Antineoplastic Agents - Vinca alkaloids -
vincristine - D - Antineoplastic Agents - Vinca alkaloids -
vindesine - D - Antineoplastic Agents - Vinca alkaloids -
vinflunine - D - Antineoplastic Agents - Vinca alkaloids -
vinorelbine tartrate - D - Antineoplastic Agents - Vinca alkaloids -
vismodegib - X - Antineoplastic Agents -
vitamin A - D - Vitamins -
voriconazole - B3 - Antimicrobials - Antifungal agents (see also topical antifungals) -
vorinostat - D - Antineoplastic Agents -
warfarin - D - Cardiovascular System - Anticoagulants and thrombolytic agents -
ximelagatran - C - Cardiovascular System - Anticoagulants and thrombolytic agents -
yellow fever vaccine (killed) - B2 - Vaccines - Killed vaccines -
yellow fever vaccine (live attenuated) - B2 - Vaccines - Live attenuated virus vaccines -
zafirlukast - B1 - Respiratory System -
zalcitabine - D - Antimicrobials - Antiviral agents -
zaleplon - C - Central Nervous System - Hypnotics and sedatives -
zanamivir - B1 - Antimicrobials - Antiviral agents -
zidovudine - B3 - Antimicrobials - Antiviral agents -
ziprasidone - C - Central Nervous System - Antipsychotic drugs -
zoledronic acid - B3 - Endocrine System - Agents affecting calcium and bone metabolism - Bisphosphonates -
zolmitriptan - B3 - Cardiovascular System - Antimigraine preparations -
zolpidem tartrate - B3 - Central Nervous System - Hypnotics and sedatives -
zonisamide - D - Central Nervous System - Anticonvulsants/antiepileptics -
zopiclone - C - Central Nervous System - Hypnotics and sedatives -
zoster vaccine - B2 - Vaccines - Live attenuated virus vaccines -
zuclopenthixol - C - Central Nervous System - Antipsychotic drugs -