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Maylene, AL
A 25-year-old female asked:

I take trazodone, neurontin, cymbalta, mobic, (meloxicam) robaxin, and im on an antibiotic. i tested + for benzos. can these cause a false +?

3 doctor answers4 doctors weighed in
Dr. James Burns
Emergency Medicine 37 years experience
Not likely,: Unless it was a screening test only without confirmation by gas chromatogrophy and mass spectometry which is specific for the molecular structure of benzodiazepines. If confirmed by gc/mass spec then you must have ingested a benzodiazepine.
Dr. Ryan Phasouk
Family Medicine 18 years experience
Agreed, GCS would be the best and definitive test.
Apr 7, 2014
Dr. Paul Grin
Pain Management 36 years experience
No,: The list of the medications that you provided has nothing to do with benzodiazepines. I think something is missing on your list to produce a positive benzos result. Check your medication again. Some of the medication listed might produce selective short term amnesia.
Dr. Stuart Wasser
Addiction Medicine 35 years experience
See below: If the test in question was a instant "point-of-care" test, one has to expect falsely positive results.

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Last updated Dec 9, 2020

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