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Olmesartan

Olmesartan is in the class of medications referred to angiotensin II receptor blockers (ARBs) and is used to treat high blood pressure. It works by blocking the action of angiotensin II, a chemical in the body that causes blood vessels to tighten and narrow. By inhibiting this effect, olmesartan helps to relax and widen blood vessels, which lowers blood pressure and improves blood flow. This reduction in blood pressure helps decrease the risk of stroke, heart attack, and kidney problems associated with hypertension.