TweetOxyContin What is OxyContin? OxyContin is the brand name for an opioid analgesic containing the active ingredient oxycodone (also found in Percocet and Percodan). OxyContin is a legal narcotic that is available, by prescription, to treat severe pain. OxyContin is a controlled-release medication that, when used correctly, provides extended relief of pain associated with cancer, [...]