A Simple Introduction of Original Opana

Oxymorphone (Opana, Numorphan, Numorphone) or 14-Hydroxydihydromorphinone is a powerful semi-synthetic opioid analgesic first developed in Germany in 1914, patented in the USA by Endo Pharmaceuticals in 1955 and introduced to the United States market in January 1959 and other countries around the same time. It (along with hydromorphone) was designed to have less incidence of side effects than morphine and heroin. It was a success as it differs from morphine and heroin in its effects in that it generates less euphoria, sedation, itching and other histamine effects at equianalgesic doses. This also means a lower dependence liability.

Oxymorphone is administered as its hydrochloride salt via injection, or suppository; typically in dosages of 1 mg (injected) to 5 mg (suppository). Endo has been the major distributor of oxymorphone throughout the world and currently markets oxymorphone in the United States and elsewhere as Opana and Opana ER.

Opana is used in the treatment of pain; labor pain and belongs to the drug class narcotic analgesics. Risk cannot be ruled out during pregnancy. Opana 10 mg has a high potential for abuse. The drug has a currently accepted medical use in treatment in the United States or a currently accepted medical use with severe restrictions. Abuse of the drug may lead to severe psychological or physical dependence. See also related documents.
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