Orbas 20 mg is a prescription medication manufactured by ACME Laboratories Ltd., containing Olmesartan Medoxomil, an angiotensin II receptor blocker (ARB). It is primarily used to treat hypertension (high blood pressure) by relaxing blood vessels, thereby lowering blood pressure and reducing the risk of stroke and heart attack. Orbas 20 mg can be used alone or in combination with other antihypertensive agents. The usual starting dose is 20 mg once daily, which may be increased to 40 mg once daily depending on the patient's response. It is recommended to take the medication at the same time each day, with or without food.