Medical Dictionary


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noun spi·ro·no·lac·tone \ˌspī-rə-nō-ˈlak-ˌtōn, spi-ˌrō-nə-\

Medical Definition of spironolactone

  1. :  an aldosterone antagonist C24H32O4S that promotes diuresis and sodium excretion and is used to treat essential hypertension, edema with congestive heart failure, hepatic cirrhosis with ascites, nephrotic syndrome, and idiopathic edema

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