Https://medixway.com/pain-relief/opana-er/ Opana ER is a prescription extended-release medication designed to manage moderate to severe chronic pain that requires around-the-clock treatment. Because it contains oxymorphone, it is a powerful opioid and must be used only under the supervision of a licensed healthcare provider. Patients prescribed Opana ER should never crush, chew, or... https://medixway.com/pain-relief/opana-er/