Itchy skin, also known as pruritus, is an irritating and uncontrollable sensation that makes you want to scratch to relieve the feeling. The possible causes for itchiness range from internal illnesses, such as kidney or liver disease, to skin rashes,... Read more.
Percocet can be detected in the urine for 3-4 days. A blood test can identify Percocet for up to 24 hours. A saliva test can detect Percocet for up to 1-4 days. Percocet, like like many other drugs, can be detected with a hair follicle drug test for up to 90 days.
Best Answer: The half life of the oxycodone component of Percocet is approximately 4 hours. In urine drug screens for oxycodone, persons taking percocet on a regular basis will generally test positive for approximately 2 days. Each persons metabolism and the amount of use may affect this.