spironolactone

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

Medical Definition of spironolactone 

: 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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