False Positive For Drug Test

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My doctor had me do a urine test. it came back positive for methadone. I am 55 and never took any methadone. I take lots of meds all prescribed by my doctor. I take xanax, neurotin, zanaflex, wellbutrole, liptor, plavex, peracet, nedulizer. Can any of them make u test positive

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I am also taking zanaflex and came back positive for methadone, which is impossible! And I finally told them to take blood. Any answers for this zanaflex people?

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It may have just been a false positive or faulty test. I take zanaflex daily and have so for a few years and never had a test come back positive for methadone. Wish I had a better answer, just my experience with zanaflex. Sounds like you did the best option and demanded a re-test. Best of luck to you!

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