How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask DrThomasMd Your Own Question
DrThomasMd, Board certified internist
Category: Urology
Satisfied Customers: 63757
Experience:  In internal medicine we deal with prostate, bladder and kidney diseases, including cancers.
Type Your Urology Question Here...
DrThomasMd is online now
A new question is answered every 9 seconds

How can you test negative in a urine test months when you

Customer Question

how can you test negative for Percocet in a urine test for 2 months when you are taking it 3 times daily at a 7.5 dosage and have not tested negative for 2 years.
Submitted: 4 months ago.
Category: Urology
Expert:  DrThomasMd replied 4 months ago.


Lab error

That is the only explanation.

If you were taking it 3 times a day, when you had the test, it would show positive, unless samples were mixed up or something like that.

OK, so you might have more questions or want to give me more information: Please use reply to expert if you have further questions. Also, please click a positive rating [hopefully excellent—that’s how we are paid, per rating]. If you forgot something, come back. I am here