Oxycodone is a pain reliever. It is a semi-synthetic opioid medication used to treat moderate to severe pain. You can Buy Oxycodone Online if you have severe pain under the advice of a doctor. Oxycodone medicine belongs to a class of drugs called opiates and is also available with acetaminophen, aspirin and ibuprofen. It is prescribed to patients with moderate to severe pain who require continuous opioid analgesics for extended periods and for whom other pain medications do not work.