Origin: Greek prefix hydro-
Hydrochlorothiazide has 2 different meanings across 1 category:
a diuretic drug (trade name Microzide, Esidrix, and HydroDIURIL) used in the treatment of hypertension
A diuretic drug, 6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide, that inhibits the kidneys' ability to retain water and lowers blood pressure.