Buy OxyContin Online is a brand name for the generic drug oxycodone, which is a prescription medication used to treat moderate to severe pain. It belongs to a class of drugs called opioid analgesics, which work by binding to opioid receptors in the brain and spinal cord to reduce the sensation of pain. OxyContin is available in extended-release tablets, which are taken every 12 hours, and it is typically prescribed for long-term pain management, such as in cases of chronic back pain or cancer-related pain.