Generic Benicar 40 mg contains the active ingredient olmesartan medoxomil, which is a type of medicine called an angiotensin II antagonist. Generic Benicar 40 mg works by preventing the action of a hormone in the body called angiotensin II.
Angiotensin II normally acts on special receptors in the body, with two main results. Firstly, it causes the peripheral blood vessels to narrow, and secondly, it stimulates the production of another hormone called aldosterone. Aldosterone causes salt and water to be retained by
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