Major Drug Groups

Gastrointestinal tract (A)

• Antacids;
• Antiemetics;
• H2 antagonists;
• Proton pump inhibitors;
• Laxatives;
• Antidiarrhoeals.

Blood and blood forming organs (B)

• Anticoagulants;
• 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.