Oxycontin is used to relieve pain severe enough to require opioid treatment and when other pain medicines do not work well enough or cannot be tolerated and for relief of moderate to severe pain resulting from injuries, bursitis, neuralgia, arthritis, and cancer. You can OxyContin OP online from newlifemedix exactly as prescribed by your doctor. Follow the directions on your prescription label and read all medication guides before taking medicine. oxycontin is still prescribed but sometimes those strengths may cause overdose (even death) if taken by a person who has not been regularly taking opioids.