Orbapin 5/20 mg is a combination medication containing Amlodipine (5 mg) and Olmesartan Medoxomil (20 mg). It is used to treat high blood pressure (hypertension) by combining a calcium channel blocker (Amlodipine) and an angiotensin II receptor blocker (Olmesartan). This dual action helps relax blood vessels, lower blood pressure, and reduce the strain on the heart, making it an effective solution for patients needing combined therapy for hypertension.