Brand name: Benicar
Olmesartan is a medicine to treat high blood pressure. The medicine is taken alone or combined with certain other medicines. It may also be used by your physician to treat certain other conditions.
It refers to angiotensin II receptor antagonists. The medicine inhibits a chemical transmitter action (angiotensin II), dilates (widens) blood vessels, and helps the kidneys eliminate fluids and sodium. This helps to lower high blood pressure.