Oxycontin is a brand of Oxycodone, this is the controlled-release Oxycodone tablet, intended to be taken every 12 hours. Oxycodone is a semi-synthetic opioid synthesized from thebaine, an opioid alkaloid found in the Persian poppy, and one of the many alkaloids found in the opium poppy. It is a moderately potent opioid analgesic, generally indicated for the relief of moderate to severe pain.