A ALIMENTARY TRACT AND METABOLISM

 B BLOOD AND BLOOD FORMING ORGANS

 C CARDIOVASCULAR SYSTEM

   C01 CARDIAC THERAPY

   C02 ANTIHYPERTENSIVES

     C02A ANTIADRENERGIC AGENTS, CENTRALLY ACTING

     C02B ANTIADRENERGIC AGENTS, GANGLION-BLOCKING

     C02C ANTIADRENERGIC AGENTS, PERIPHERALLY ACTING

     C02D ARTERIOLAR SMOOTH MUSCLE, AGENTS ACTING ON

       C02DA Thiazide derivatives

         C02DA01 Diazoxide

       C02DB Hydrazinophthalazine derivatives [DG:DG02046]

       C02DC Pyrimidine derivatives

       C02DD Nitroferricyanide derivatives

       C02DG Guanidine derivatives

     C02K OTHER ANTIHYPERTENSIVES

     C02L ANTIHYPERTENSIVES AND DIURETICS IN COMBINATION

     C02N COMBINATIONS OF ANTIHYPERTENSIVES IN ATC-GR. C02

   C03 DIURETICS

   C04 PERIPHERAL VASODILATORS

   C05 VASOPROTECTIVES

   C07 BETA BLOCKING AGENTS

   C08 CALCIUM CHANNEL BLOCKERS

   C09 AGENTS ACTING ON THE RENIN-ANGIOTENSIN SYSTEM

   C10 LIPID MODIFYING AGENTS

 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

   V01 ALLERGENS

   V03 ALL OTHER THERAPEUTIC PRODUCTS

     V03A ALL OTHER THERAPEUTIC PRODUCTS

       V03AB Antidotes

       V03AC Iron chelating agents

       V03AE Drugs for treatment of hyperkalemia and hyperphosphatemia

       V03AF Detoxifying agents for antineoplastic treatment

       V03AG Drugs for treatment of hypercalcemia

       V03AH Drugs for treatment of hypoglycemia

         V03AH01 Diazoxide

       V03AK Tissue adhesives

       V03AM Drugs for embolisation

       V03AN Medical gases

       V03AX Other therapeutic products

       V03AZ Nerve depressants

   V04 DIAGNOSTIC AGENTS

   V06 GENERAL NUTRIENTS

   V07 ALL OTHER NON-THERAPEUTIC PRODUCTS

   V08 CONTRAST MEDIA

   V09 DIAGNOSTIC RADIOPHARMACEUTICALS

   V10 THERAPEUTIC RADIOPHARMACEUTICALS