A ALIMENTARY TRACT AND METABOLISM

   A01 STOMATOLOGICAL PREPARATIONS

   A02 DRUGS FOR ACID RELATED DISORDERS

     A02A ANTACIDS

     A02B DRUGS FOR PEPTIC ULCER AND GASTRO-OESOPHAGEAL REFLUX DISEASE (GORD)

       A02BA H2-receptor antagonists [DG:DG01481]

         A02BA01 Cimetidine [DG:DG00017]

         A02BA02 Ranitidine [DG:DG00018]

         A02BA03 Famotidine

         A02BA04 Nizatidine

         A02BA05 Niperotidine

         A02BA06 Roxatidine [DG:DG00019]

         A02BA07 Ranitidine bismuth citrate

         A02BA08 Lafutidine

         A02BA51 Cimetidine, combinations

         A02BA53 Famotidine, combinations

       A02BB Prostaglandins

       A02BC Proton pump inhibitors [DG:DG01646]

       A02BD Combinations for eradication of Helicobacter pylori

       A02BX Other drugs for peptic ulcer and gastro-oesophageal reflux disease (GORD)

     A02X OTHER DRUGS FOR ACID RELATED DISORDERS

   A03 DRUGS FOR FUNCTIONAL GASTROINTESTINAL DISORDERS

   A04 ANTIEMETICS AND ANTINAUSEANTS

   A05 BILE AND LIVER THERAPY

   A06 DRUGS FOR CONSTIPATION

   A07 ANTIDIARRHEALS, INTESTINAL ANTIINFLAMMATORY/ANTIINFECTIVE AGENTS

   A08 ANTIOBESITY PREPARATIONS, EXCL. DIET PRODUCTS

   A09 DIGESTIVES, INCL. ENZYMES

   A10 DRUGS USED IN DIABETES

   A11 VITAMINS

   A12 MINERAL SUPPLEMENTS

   A13 TONICS

   A14 ANABOLIC AGENTS FOR SYSTEMIC USE

   A15 APPETITE STIMULANTS

   A16 OTHER ALIMENTARY TRACT AND METABOLISM PRODUCTS

 B BLOOD AND BLOOD FORMING ORGANS

 C CARDIOVASCULAR SYSTEM

 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