Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from
absorbing too much salt, which can cause fluid retention.
Valsartan is in a group of drugs called angiotensin II receptor antagonists. Valsartan keeps
blood vessels from narrowing, which lowers blood pressure improves blood flow.
The combination of hydrochlorothiazide and valsartan is used to treat high blood pressure
(hypertension).
Hydrochlorothiazide and valsartan may also be used for other purposes not listed in this
medication guide.