Hydrochlorothiazide is a diuretic (water pill). Valsartan is an angiotensin II receptor blocker (sometimes called an ARB blocker).
Hydrochlorothiazide and valsartan is a combination medicine used to treat high blood pressure (hypertension). Lowering blood pressure may lower your risk of a stroke or heart attack.
Hydrochlorothiazide and valsartan is given after other blood pressure medicines did not work or have stopped working.
Hydrochlorothiazide and valsartan may also be used for purposes not listed in this medication guide.
