whats a pink round pill with e613 on top and 10 on the bottom?

Not Medical Advice: A round red pill with the imprint E613 10 on the front is 10mg of Opana (made by Endo Pharmaceuticals Inc.). Opana is a narcotic analgesic that is used to treat labor pain, and general pain. Abuse of this drug may lead to psychological or physical dependence. This prescription-only medication may pose a risk to an unborn fetus, and should be used only under a doctor's supervision.

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