Opana ER 10 mg is a pain reliever. It belongs to the opioid (narcotic) analgesics class of medications, as well as the antitussives group of pharmaceuticals. Buy Opana ER 10 mg online in the USA from the best site. Opana ER 10 mg is a narcotic pain reliever. Opana ER is an extended-release form of opioid. It helps to treat moderate to severe pain in those patients who have low back pain, cancer, injuries, etc.
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