What is aspirin-oxycodone?

oxycodone HCl-oxycodone ter-aspirin 4.5 mg-0.38 mg-325 mg Tab
Drug Name: OXYCODONE WITH ASPIRIN - ORAL
Other Brand Names: Endodan, Percodan
Uses: This medication is used to relieve moderate to moderately severe pain. It contains 2 pain relievers: oxycodone, which is a narcotic, and aspirin. Oxycodone is a narcotic pain reliever (opiate-type) that acts on certain parts of the brain to relieve pain. Aspirin is known as a salicylate and a nonsteroidal anti-inflammatory drug (NSAID). It works by blocking a certain natural substance in your body to reduce pain and swelling, therefore making you more comfortable and more able to function normally.