A ALIMENTARY TRACT AND METABOLISM

 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

   R01 NASAL PREPARATIONS

   R02 THROAT PREPARATIONS

     R02A THROAT PREPARATIONS

       R02AA Antiseptics

       R02AB Antibiotics

       R02AD Anesthetics, local

         R02AD01 Benzocaine

         R02AD02 Lidocaine [DG:DG00196]

         R02AD03 Cocaine [DG:DG00808]

         R02AD04 Dyclonine [DG:DG00809]

         R02AD05 Ambroxol [DG:DG01073]

       R02AX Other throat preparations

   R03 DRUGS FOR OBSTRUCTIVE AIRWAY DISEASES

   R05 COUGH AND COLD PREPARATIONS

   R06 ANTIHISTAMINES FOR SYSTEMIC USE

   R07 OTHER RESPIRATORY SYSTEM PRODUCTS

 S SENSORY ORGANS

 V VARIOUS