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

   R03 DRUGS FOR OBSTRUCTIVE AIRWAY DISEASES

   R05 COUGH AND COLD PREPARATIONS

     R05C EXPECTORANTS, EXCL. COMBINATIONS WITH COUGH SUPPRESSANTS

       R05CA Expectorants

       R05CB Mucolytics

         R05CB01 Acetylcysteine [DG:DG01069]

         R05CB02 Bromhexine [DG:DG01070]

         R05CB03 Carbocisteine [DG:DG01071]

         R05CB04 Eprazinone [DG:DG01072]

         R05CB05 Mesna

         R05CB06 Ambroxol [DG:DG01073]

         R05CB07 Sobrerol

         R05CB08 Domiodol

         R05CB09 Letosteine

         R05CB10 Combinations

         R05CB11 Stepronin

         R05CB13 Dornase alfa (desoxyribonuclease)

         R05CB14 Neltenexine

         R05CB15 Erdosteine

         R05CB16 Mannitol

     R05D COUGH SUPPRESSANTS, EXCL. COMBINATIONS WITH EXPECTORANTS

     R05F COUGH SUPPRESSANTS AND EXPECTORANTS, COMBINATIONS

     R05X OTHER COLD PREPARATIONS

   R06 ANTIHISTAMINES FOR SYSTEMIC USE

   R07 OTHER RESPIRATORY SYSTEM PRODUCTS

 S SENSORY ORGANS

 V VARIOUS