https://medixway.com/question/how-long-does-it-take-for-oxycodone-to-work/
Oxycodone usually begins to work within 10 to 30 minutes after oral ingestion, depending on the formulation.Do not increase your dose if you don’t feel immediate relief—speak to your doctor instead. Oxycodone is a powerful opioid with a high risk of dependence and side effects.