Olmesartan Medoxomil 20mg/40mg + Chlorthalidone 12.5mg is a combination medication used to treat high blood pressure (hypertension).

Olmesartan Medoxomil (20mg/40mg) is an angiotensin II receptor blocker (ARB) that works by blocking the action of the hormone angiotensin II, which causes blood vessels to constrict. By preventing its action, Olmesartan helps to relax and widen the blood vessels, which lowers blood pressure and reduces the risk of heart-related issues.

Chlorthalidone (12.5mg) is a thiazide-like diuretic that works by helping the kidneys remove excess salt and water from the body. This reduces the volume of fluid in the bloodstream, which further lowers blood pressure and decreases swelling.