You can buy Oxycodone online from any authorized pharmacy that can sell prescription drugs. Before you get the Oxycodone online make sure you are diagnosed with chronic pain. Oxycodone belongs to this class of drugs as it is an opioid and helps to lower the pain in the user. Narcotics are also infamous for their abuse, many narcotics are thoroughly abused in the entire world because of the calm and relaxing effects it provides.