Losartan/hydrochlorothiazide

Losartan/hydrochlorothiazide, sold under the trade name Hyzaar among others, is a combination medication used to treat high blood pressure when losartan is not sufficient. It consists of losartan (an angiotensin II receptor antagonist) and hydrochlorothiazide (a diuretic). It is taken by mouth.It is used for high blood pressure (hypertension) once a day. Based on the initial blood pressure response and/or losartan-hydrochlorothiazide side effects, the dosage may be increased or decreased. With each change in dosage, it may take up to a month to see the full effect.The losartan/hydrochlorothiazide combination preparation is marketed by Merck under the trade name Hyzaar and by Xeno Pharmaceuticals under the name Anzaplus. Merck, Sharp & Dohme market it as Ocsaar Plus in Israel. It is marketed as Cozaar comp in Sweden and South Africa.