ATC code N

v • d • e Major drug groups

Gastrointestinal tract (A)	Antacids • Antiemetics • H₂ antagonists • Proton pump inhibitors • Laxatives • Antidiarrhoeals

Blood and blood forming organs (B)	Anticoagulants • Antihemorrhagics • Antiplatelets • Thrombolytics

Cardiovascular system (C)	Antiarrhythmics • Antihypertensives • Diuretics • Vasodilators • Antianginals • Beta blockers • Angiotensin converting enzyme inhibitors • Antihyperlipidemics

Skin (D)	Emollients - Antipruritics

Reproductive system (G)	Hormonal contraception • Fertility agents • Selective estrogen receptor modulators • Sex hormones

Endocrine system (H)	Anti-diabetics • Corticosteroids • Sex hormones • Thyroid hormones

Infections and infestations (J, P)	Antibiotics • Antivirals • Vaccines • Antifungals • Antiprotozoals • Anthelmintics

Malignant and immune disease (L)	Anticancer agents • Immunostimulators • Immunosuppressants

Muscles, bones, and joints (M)	Anabolic steroids • Anti-inflammatories • Antirheumatics • Corticosteroids • Muscle relaxants

Brain and nervous system (N)	Anesthetics • Analgesics • Anticonvulsants • Mood stabilizers • Anxiolytics • Antipsychotics • Antidepressants • Nervous system stimulants • Sedatives

Respiratory system (R)	Bronchodilators • Decongestants • H₁ antagonists