Really?? that's the stupidest question i ever heard, if your on the patches im sure you started at lortabs, percocets or oxys and worked up, so YES and can u mail me a couple patches please :)
Diphenhydramine or Benadryl, can cause a false positive for PCP. As far as causing a false positive for opiates, I do not think so. I took 3 benadryl last night and took a 6-panel urine test this...
Trazodone (Desyrel) is an non-scheduled antidepressant (off label treatment for insomnia) and is not chemically related to opiates. It will not cause a false-positive for opiates. Its pharmacological...