Yes!! You can buy 5mg of oxycodone online for long-term pain relief. This medication helps to treat severe pain. It works like a pain killer during surgery or the treatment of cancer. It works like a strong painkiller at that time.Oxycodone 5 mg is used for the treatment of pain. It works like a pain relief. As oxycodone is a pain relief tablet it gives us relaxation during pain. Take this medicine prescribed by the doctor otherwise it may be harmful. Click on the given links for more: