Tuesday, July 29, 2014

Wednesday, October 22, 2008 Nancie, Community Member, asks

Q: Why does my urine constantly test positive for benzodiazipines when I take Benadryl for sleep ?

I have been addicted to opiates for most of my life. The past four years I have been on methadone and let me tell you, it has literally saved my life. I no longer use heroin and have been able to get and keep a well paying job. The biggest problem in my life right now is chronic insomnia. The clinic where I recieve my methadone does bi-weekly urine tests for illicit substances. The only medication I take other than the methadone is Benadryl (diphenhydramine) to help with sleep. I have tried other sleep meds but the side affects were intolerable. My problem is that my urine tox screens keep coming up positive for benzodiazipines when I take the Benadrly to help me sleep. Nobody can figure out why this is happening and I am very close to being kicked off the clinic due to the positive urine drug screens. Any information will be greatly appreciated.

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Answers (1)
Robert Barry, Community Member
10/23/08 2:09am

I do not have the chemisrty of the answer for you, but I may have a remedy.  You must contact the testing facility and give a complete list of all medications you are currently taking.  There may be an interaction that causes this undesired result. Also the body can store drugs for years in the fatty tissue of all humans. That would include mammary, and other reproductive organs. Perhaps "cleaning" your body has lead to the release of opiate metabolites into your blood stream and excretion through the kidneys. Just a thought...I would definitely contact the testing company before anything negative results. If as you say there is no reason for the "false positive", then do not wait to take action.

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By Nancie, Community Member— Last Modified: 06/16/12, First Published: 10/22/08