spironolactone

noun

spi·​ro·​no·​lac·​tone ˌspī-rə-nō-ˈlak-ˌtōn  spi-ˌrō-nə- 

: 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