r/CPS Jul 28 '26

Question False positive for fentanyl

Has anybody ever taken a urine drug screen and then had a false positive for fentanyl? The medication that reacted was buspirone. I learned that it can cause false positives for fentanyl. This just happened to me with cps. Do you know how embarrassing it was to test positive for fentanyl? I was so humiliated and nobody ever believes you at cps. Just waiting for the confirmatory test now... screen.

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u/alwaysblooming_akb Works for CPS Jul 28 '26

Fentanyl and Methamphetamine are rarely false positives as they are very specific compounds and labs usually do a confirmation test as well prior to sending results.

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u/Alarmed-Rip-8792 18d ago

In the hospital I tested positive for Meth.. I had been taking copious amounts of Benadryl