Losartan potassium and losartan potassium with hydrochlorothiazide. Features hypertension resources, prescribing information, and clinical data.

Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available.

Information about an antihypertension medication to treat hypertension or high blood pressure.

Information from the RxList.

Information from the RxList.

Information about dosage, usage, and side effects.

Information about dosage, usage, and side effects.