Opana ER is a narcotic pain reliever that helps to reduce extreme to extreme pain. The doctor prescribed variants like 5 mg, 7.5 mg, 10 mg, 15 mg, 20 mg,30 mg, and  40 mg to check the patient’s age, condition, and medical status. If you want to buy Opana ER online then Healthetive gives you a cashback offer that is useful to you and get original medications