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Guidelines for ATC classification and DDD assignment - WHOCC

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C03E DIURETICS AND POTASSIUM-SPARING AGENTS IN COM-<br />

BINATION<br />

110<br />

Fixed <strong>DDD</strong>s are assigned <strong>for</strong> combinations in this group.<br />

E.g. 1 tablet regardless of strengths is the <strong>DDD</strong> assigned <strong>for</strong><br />

hydrochlorothiazide <strong>and</strong> amiloride in combinations. See comments<br />

to C02L also.<br />

C03EA Low-ceiling diuretics <strong>and</strong> potassium-sparing agents<br />

C03EB High-ceiling diuretics <strong>and</strong> potassium-sparing agents<br />

C03X OTHER DIURETICS<br />

C03XA Vasopressin antagonists<br />

C04 PERIPHERAL VASODILATORS<br />

C04A PERIPHERAL VASODILATORS<br />

This group comprises plain <strong>and</strong> combined preparations used in the<br />

treatment of cerebrovascular or peripheral circulatory disorders.<br />

Combinations with Antihypertensives, see C02 - Antihypertensives.<br />

Combinations with vasodilators used in cardiac diseases, see C01DA.<br />

The <strong>DDD</strong>s are based on the doses used <strong>for</strong> the treatment of cerebral<br />

<strong>and</strong> peripheral vascular disorders.<br />

C04AA 2-amino-1-phenylethanol derivatives<br />

C04AB Imidazoline derivatives<br />

The <strong>DDD</strong> <strong>for</strong> phentolamine is based on the treatment of acute heart<br />

failure <strong>and</strong> is based on parenteral use.

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