Telmisartan is an angiotensin II receptor blocker (ARB) used to treat high blood pressure and reduce the risk of cardiovascular events in high-risk adults.

Valsartan is an angiotensin II receptor blocker (ARB) commonly used to treat high blood pressure and heart failure. It helps relax blood vessels, lowering blood pressure and improving blood flow.

Losartan is an angiotensin II receptor blocker (ARB) primarily used to treat high blood pressure and protect the kidneys in diabetic patients.