Diphenhydramine False Positive For Benzodiazepines
UpdatedI recently tested positive for benzodiazepines but I have not taken any benzodiazepines. Is it possible that a sleep aid containing diphenhydramine or benadryl can cause this false positive for benzos?
4 Replies
Yes, Diphenhydramine, which is the active ingredient in Benadryl and added to many OTC sleep aids, has been known to cause a false positive for Benzodiazepines and PCP.
It is actually an antihistamine, that just causes drowsiness a side effect, and many of them are known to cause these types of false positives.
Are there any studies proving Diphenhydramine Hydrochloride can test positive for benzos in urinalysis
I am testing positive for Benzos, testing everyday now for 2 weeks! I severely injured my back and had my L-1 vertebrate replaced! I've been sober 3 tears today and this is getting to be too much! I take over the counter Aleve and Naproxen, and switched to an over-50 multivitamin. What is causing this? Infection?
Would one brand make you test positive and a different brand be fine?
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