Oxycodone is a synthetic opioid medication used as a pain medication. Oxycodone helps treat moderate to severe pain, and it is sold under the brand name Oxycontin; you can easily Buy Oxycodone Online. Oxycodone works in the CNS and changes how your body responds to pain. It is also an excellent cough suppressant. Oxycodone comes in an immediate-release form; the onset of pain relief begins within fifteen minutes and lasts up to six hours.