Anatomical Therapeutic Chemical • C03BA04 • chlorthalidone

A Alimentary tract and metabolism

B Blood and blood forming organs

C Cardiovascular system

C01 Cardiac therapy

C02 Antihypertensives

C03 Diuretics

C03A Low-ceiling diuretics, thiazides

C03B Low-ceiling diuretics, excluding thiazides

C03BA Sulfonamides, plain

C03BA04 chlorthalidone Indicated for: hypertension

C03BA11 indapamide Indicated for: hypertension

C03BB Sulfonamides and potassium in combination

C03BC Mercurial diuretics

C03BD Xanthine derivatives

C03BK Sulfonamides, combinations with other drugs

C03BX Other low-ceiling diuretics

C03C High-ceiling diuretics

C03D Potassium-sparing agents

C03E Diuretics and potassium-sparing agents in combination

C03X Other diuretics

C04 Peripheral vasodilators

C05 Vasoprotectives

C07 Beta blocking agents

C08 Calcium channel blockers

C09 Agents acting on the renin-angiotensin system

C10 Lipid modifying agents

D Dermatologicals

G Genito urinary system and sex hormones

H Systemic hormonal preparations, excluding sex hormones and insulins

J Antiinfectives for systemic use

L Antineoplastic and immunomodulating agents

M Musculo-skeletal system

N Nervous system

P Antiparasitic products, insecticides and repellents

R Respiratory system

S Sensory organs

V Various