|Losartan||Angiotensin II receptor antagonist|
|Trade names||Anzaplus, Cozaar comp, Hyzaar, Ocsaar Plus|
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.
In 2010, the patent for the combination expired, and a number of pharmaceutical companies promptly filed and received approval to sell the generic losartan, with and without hydrochlorothiazide, in the United States.
The recommended dosage of losartan-hydrochlorothiazide for adults with high blood pressure (hypertension) will vary between losartan-hydrochlorothiazide 50 mg/12.5 mg and losartan-hydrochlorothiazide 100 mg/25 mg 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 of losartan-hydrochlorothiazide on lowering blood pressure.
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