Active Ingredient(s):Oxymorphone FDA Approved: * April 2, 1959 Pharm Company: *ENDO PHARMS Category:Pain Relief
Oxymorphone (sold under the brand names Numorphan and Opana among others) is a highly potent opioid analgesic indicated for treatment of severe pain. Pain relief after injection begins after about 5–10 minutes, after oral administration it begins after about 30 minutes, and lasts about 3–4 hours for immediate-release tablets and 12 hours for extended-release tablets. The elimination half-life of oxymorphone is much faster intravenously, and as such, the drug is ...
* May have multiple approval dates, manufacturers, or labelers.