Cancer Home > Precautions and Warnings With Oxymorphone ER
Who Should Not Take Oxymorphone ER?You should not take oxymorphone ER if you:
- Are allergic to oxymorphone, Opana ER, or any of the inactive components used to make the medication. Your healthcare provider or pharmacist has a list of the inactive ingredients. If you are allergic to other narcotics or opiates, you may also be allergic to oxymorphone ER.
- Have significant respiratory depression (slow or ineffective breathing due to a variety of causes).
- Moderate or severe liver disease.
- Have a bowel obstruction (paralytic ileus).