Buy Oxycodone Online, to controlled release form, is a valid alternative to morphine and the first-line treatment for cancer pain. This makes it one of the most commonly abused pharmaceutical drugs in the U.S. The opioid oxycodone has a short half-life. There are immediate-release and extended-release tablet forms of Oxycodone. This medication is frequently recommended by doctors to manage moderate to severe pain. Because oxycodone is short-acting and only reduces pain for an average of four to six hours each dose, you must take it four to six times daily to get pain relief that lasts all day.