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Opana ER (Oxymorphone Extended-Release): Uses, Safety Information & Medical Guidance
What Is Opana ER?
Opana ER was the brand name for an extended-release formulation of oxymorphone, a prescription opioid analgesic used to manage severe, around-the-clock pain when long-term opioid treatment was considered medically necessary. The branded product was discontinued in the United States, although generic oxymorphone products may still be available in some markets. Because oxymorphone is a potent opioid, it should only be used under the supervision of a qualified healthcare professional.

Medical Uses
A healthcare provider may prescribe extended-release oxymorphone for:

Severe chronic pain requiring continuous, long-term opioid therapy
Pain that has not responded adequately to non-opioid treatments or other therapies
Carefully selected patients when the expected benefits outweigh the potential risks
Treatment is individualized based on the patient’s medical condition, previous opioid exposure, and overall health.

How Opana ER Works
Oxymorphone binds to opioid receptors in the brain and spinal cord, altering the perception of pain. The extended-release formulation is designed to provide pain relief over an extended period and should only be taken exactly as prescribed.

Important Safety Information
Opana ER is a prescription-controlled opioid medication with significant risks if used improperly.

Possible side effects include:

Drowsiness
Dizziness
Nausea or vomiting
Constipation
Dry mouth
Sleepiness
Serious risks include respiratory depression, overdose, physical dependence, misuse, addiction, and withdrawal if treatment is stopped suddenly. Swallow extended-release tablets whole—do not crush, chew, or dissolve them, as doing so can release a potentially dangerous dose at once.

Avoid alcohol and other central nervous system depressants unless specifically approved by your healthcare provider.

Responsible Use
Before taking extended-release oxymorphone, tell your healthcare provider if you have:

Asthma or other breathing disorders
Liver or kidney disease
A history of substance use disorder
Head injury or seizure disorders
Pregnancy or breastfeeding
Any prescription medications, over-the-counter medicines, vitamins, or herbal supplements you are taking
Never share your medication or change your dose without medical advice.

Storage
Store oxymorphone securely in its original container at room temperature, protected from moisture and heat. Keep it out of the reach of children and anyone for whom it was not prescribed. Dispose of unused medication through an authorized medication take-back program when available.

Final Note
Extended-release oxymorphone can provide effective pain management for carefully selected patients when used under close medical supervision. Always follow your healthcare provider’s instructions and obtain prescription medications through licensed healthcare providers and authorized pharmacies.