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

         R02AA01 Ambazone

         R02AA02 Dequalinium [DG:DG00426]

         R02AA03 Dichlorobenzyl alcohol

         R02AA05 Chlorhexidine [DG:DG00001]

         R02AA06 Cetylpyridinium [DG:DG00184]

         R02AA09 Benzethonium

         R02AA10 Myristyl-benzalkonium

         R02AA11 Chlorquinaldol

         R02AA12 Hexylresorcinol

         R02AA13 Acriflavinium chloride

         R02AA14 Oxyquinoline [DG:DG00002]

         R02AA15 Povidone-iodine

         R02AA16 Benzalkonium

         R02AA17 Cetrimonium [DG:DG00427]

         R02AA18 Hexamidine

         R02AA19 Phenol [DG:DG00301]

         R02AA20 Various

         R02AA21 Octenidine [DG:DG01888]

       R02AB Antibiotics

       R02AD Anesthetics, local

       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