Losartan/HCTZ (Co-Tarsam) 50/12.5 mg 15 tabs
The combination of losartan and hydrochlorothiazide is used to treat hypertension. Losartan belongs to a class of drugs called antagonists of angiotensin II receptors. It works by blocking the action of certain chemicals that tighten the blood vessels, so blood flows more smoothly. Hydrochlorothiazide belongs to a class of medications called diuretics (water pills). It works by causing the kidneys to eliminate water and salt from the body does not use through urine.