Anatomical Therapeutic Chemical (ATC) Classification

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 A ALIMENTARY TRACT AND METABOLISM
 
 B BLOOD AND BLOOD FORMING ORGANS
 
 C CARDIOVASCULAR SYSTEM
   C01 CARDIAC THERAPY
     C01A CARDIAC GLYCOSIDES
     C01B ANTIARRHYTHMICS, CLASS I AND III
       C01BA Antiarrhythmics, class Ia [DG:DG01649]
         C01BA01 Quinidine [DG:DG00192]
           D08458  Quinidine (BAN)
           D00642  Quinidine gluconate (USP) <US>
           D00643  Quinidine polygalacturonate
           D02272  Quinidine sulfate (USP) <JP/US>
           D08459  Quinidine phenylethylbarbiturate
         C01BA02 Procainamide [DG:DG00193]
           D08421  Procainamide (INN)
           D00477  Procainamide hydrochloride (JP18/USP) <JP/US>
         C01BA03 Disopyramide [DG:DG00194]
           D00303  Disopyramide (JP18/USAN/INN) <JP>
           D00637  Disopyramide phosphate (JAN/USP) <JP/US>
         C01BA04 Sparteine [DG:DG00195]
           D01041  Sparteine (INN)
           D02239  Sparteine sulfate (JAN/USAN)
         C01BA05 Ajmaline
           D00199  Ajmaline (JP18)
         C01BA08 Prajmaline
         C01BA12 Lorajmine
           D04774  Lorajmine hydrochloride (USAN)
         C01BA13 Hydroquinidine [DG:DG01791]
           D08048  Hydroquinidine (DCF)
           D08049  Hydroquinidine hydrochloride
         C01BA51 Quinidine, combinations excl. psycholeptics
         C01BA71 Quinidine, combinations with psycholeptics
       C01BB Antiarrhythmics, class Ib [DG:DG01651]
       C01BC Antiarrhythmics, class Ic [DG:DG01650]
       C01BD Antiarrhythmics, class III [DG:DG01648]
       C01BG Other antiarrhythmics, class I and III
     C01C CARDIAC STIMULANTS EXCL. CARDIAC GLYCOSIDES
     C01D VASODILATORS USED IN CARDIAC DISEASES
     C01E OTHER CARDIAC PREPARATIONS
   C02 ANTIHYPERTENSIVES
   C03 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, EXCL. 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

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Last updated: August 14, 2025
According to WHO's ATC 2025

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