How long does oxycodone stay in your system? how long will oxycodone show up on a urine analysis for?

It : It depends on the dose. For occasional use at a low dose, it'll be out of your system in 2-5 days. If you take it daily at a high dose, it can be detected in the urine for up to 2 weeks.

Half life: Time it takes for 1/2 the dose of medication to be eliminated from the body. Oxycodone's 1/2 life is 3.5-4 hours. 1/2 gone-3.5-4 hours 3/4 gone 7-8 hours 7/8 gone 10-12 hours 15/16 gone 14-16 hours 31/32 (clean blood) gone 17.5-20 hours.