Percocet is used in the treatment of chronic pain; pain and belongs to the drug class narcotic analgesic combinations. Buy Percocet Online Percocet is a medication that is combined of two other drugs like – acetaminophen and Oxycodone. Percocet 10mg is used in order to manage the pain that can be occurring in a human body. The pain can be mild or severe, depending on the person’s condition. The dose that should be given to patients can vary depending on the pain that is persisting in the body.