Opana ER, Opana
There may be other brand names for this medicine.
You should not use this medicine if you have had an allergic reaction to oxymorphone, morphine, codeine, or other narcotic pain medicines. You should not use this medicine during an asthma attack, or if you have severe asthma, trouble breathing, or liver disease. You should not use the extended-release tablet if you have a condition called paralytic ileus (blockage of the bowel), or if you need pain medicine for just a short time, such as when recovering from surgery.