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C CARDIOVASCULAR SYSTEM
C03 DIURETICS

This group comprises diuretics, plain and in combination with potassium or other agents. Vasopressin antagonists are also included in this group. Potassium-sparing agents are classified in C03D and C03E.

Combinations with digitalis glycosides, see C01AA.

Combinations with antihypertensives, see C02L - Antihypertensives and diuretics in combination.

Combinations with beta blocking agents, see C07B - C07D.

Combinations with calcium channel blockers, see C08.

Combinations with agents acting on the renin angiotensin system, see C09B and C09D.

The DDDs for diuretics are based on monotherapy. Most diuretics are used both for the treatment of edema and hypertension in similar doses and the DDDs are therefore based on both indications.

The DDDs for combinations correspond to the DDD for the diuretic component, except for ATC group C03E, see comments under this level.


C03B LOW-CEILING DIURETICS, EXCL. THIAZIDES

This group comprises all low-ceiling diuretics not classified in C03A.

Combinations with potassium-sparing agents, see C03EA.


C03BA Sulfonamides, plain
C03BB Sulfonamides and potassium in combination

The 5th levels correspond to those in C03BA, see example in C03AB.

C03BC Mercurial diuretics
C03BD Xanthine derivatives

Includes e.g. theobromine. See also R03DA - Xanthines.

C03BK Sulfonamides, combinations with other drugs

Includes e.g. combination with psycholeptics.

C03BX Other low-ceiling diuretics

All low-ceiling diuretics which cannot be classified in the preceding groups are classified here.

Last updated: 2018-12-13