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

     R01A DECONGESTANTS AND OTHER NASAL PREPARATIONS FOR TOPICAL USE

       R01AA Sympathomimetics, plain

         R01AA02 Cyclopentamine

         R01AA03 Ephedrine [DG:DG00227]

         R01AA04 Phenylephrine [DG:DG00215]

         R01AA05 Oxymetazoline [DG:DG01029]

         R01AA06 Tetryzoline [DG:DG01030]

         R01AA07 Xylometazoline [DG:DG01031]

         R01AA08 Naphazoline [DG:DG01032]

         R01AA09 Tramazoline [DG:DG01033]

         R01AA10 Metizoline

         R01AA11 Tuaminoheptane

         R01AA12 Fenoxazoline

         R01AA13 Tymazoline [DG:DG01034]

         R01AA14 Epinephrine [DG:DG00013]

         R01AA15 Indanazoline [DG:DG01393]

       R01AB Sympathomimetics, combinations excl. corticosteroids

       R01AC Antiallergic agents, excl. corticosteroids

       R01AD Corticosteroids

       R01AX Other nasal preparations

     R01B NASAL DECONGESTANTS FOR SYSTEMIC USE

   R02 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