A female asked:
i have just had a drug hair strand test, would nytol give a false positive result?
1 doctor answer
Dr. Pierrette Mimi Poinsett answered
37 years experience Pediatrics
False positive: Nytol is diphenhydramine. Diphenhydramine can cause false positive result for methadone or phencyclidine (PCP). Hopefully you mentioned all medications you were taking at the time of the drug test.
Answered on Jan 26, 2017
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