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What is Opana ER?

Opana ER, a prescription medication with the active ingredient oxymorphone, is a narcotic painkiller that treats moderate to severe chronic pain. Opana ER, which is available in tablets of varying strengths, is a longer-lasting, extended-release version of Opana.

Doctors do not know exactly how Opana ER controls pain, but it appears to reduce the sensation of pain by affecting the nervous system, including the brain, spinal cord and nerves, in a way that reduces the sensation of pain.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.