Opana ER medicine is used to treat chronic pain that leads to anxiety and depression in people.Opana ER (oxymorphone Extended-Release) is an opioid pain medication that is used to treat moderate to severe pain like chronic cancer, arthritis, and postoperative & lower back pain. This medication is a semi-synthetic opioid analgesic which comes in 5 mg, 7.5 mg, 10 mg, 15 mg, 20 mg, 30 mg... https://opana-er-medication.webflow.io/