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OxyContin is the brand name for oxycodone hydrochloride, an opioid (narcotic) analgesic (pain reliever). OxyContin is a controlled-release oral formulation of oxycodone hydrochloride. It is available by prescription only and is used to treat moderate to severe pain when around-the-clock pain relief is needed for an extended period of time.
OxyContin. Pharmacology: OxyContin is a sustained-release version of oxycodone, an opioid that is a morphine-derivative. It works by altering and dulling pain signals in the brain and spinal cord and provides analgesic effects similar to those of codeine or methadone.