Hydrochlorothiazide is a thiazide diuretic (water pill). Lisinopril is in an ACE inhibitor (ACE stands for angiotensin converting enzyme).
Hydrochlorothiazide and lisinopril is a combination medicine used to treat hypertension (high blood pressure). Lowering blood pressure may lower your risk of a stroke or heart attack.
Hydrochlorothiazide and lisinopril may also be used for purposes not listed in this medication guide.
