Oxycodone is a semi-synthetic opioid made from a natural alkaloid of the opium poppy. The drug is used to treat acute and chronic pain, but it has significant potential for abuse and addiction. Oxycodone has played a major part in the current opioid epidemic in the United States. Atoms are represented as spheres and are colour-coded: carbon (black), hydrogen (white), nitrogen (blue) and oxygen (red).