Oxycontin's side effects Short-term side effects caused by Percocet may include https://www.everydayhealth.com/drugs/oxycodone Oxycodone side effects, including https://www.everydayhealth.com/drugs/oxycodone Oxycodone stay on the medication for five or more years especially in the brand-name form of OxyContin the first 72 hours of treatment with Oxycodone