Will benadryl show up as benzodiazephine in a drug test?

Yes it does. The chemical is diphenadrine Spelling??? If you are tested for anti-depressants, it will definitedly show up. I just failed one, that's how i found out. I also failed for benzos, and am told it can show up as a false positive, but only on a stick test, I will no more about that once the metabolite count comes back. I did take Valium a month ago, not sure whether that should still be coming up or not.