Oxycodone 20 mg is used to get rid of average to extreme pain. Oxycodone is an opioid medication. Take this medicine in the exact way you are prescribed. Do not consume any type of alcoholic substance with it. Overdose of it can be fatal. Do not take it if you are allergic to Oxycodone. Store this in an airtight container away from moisture and direct sunlight at room temperature.