The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials. The search textbox has an autosuggest feature.
Aldactone Description: Aldactone (spironolactone) is an antagonist of aldosterone and is pharmaceutically classified as a diuretic. It acts by competitively inhibiting aldosterone binding to receptor sites, especially in the renal tubes where aldosterone is involved in sodium-potassium exchange.
one of the spirolactones, a competitive antagonist of aldosterone and a potassium-sparing diuretic; used in treatment of edema, hypokalemia, primary aldosteronism, and (usually in combination with other drugs) hypertension.