Skip to Content

CAn nyquil or benadryl cause a false methadone positive?

Responses (1)

25 May 2011

Yes, the dextromethorphan in Nyquil and the diphenhydramine in Benadryl could both give false positives for Methadone.

Further Information

Search for questions

Still looking for answers? Try searching for what you seek or ask your own question.

Similar questions

Nyquil Cold Medicine - CAN YOU TAKE NYQUIL AND BENADRYL TOGETHER?

MY MOTHER HAS A COUGH AND A RASH ON HER BODY.

1 answer 27 Nov 2009

Would the combination of several prescribed meds possibly cause a false positive on a drug t?

I was taking Nyquil, Albuterol inhaler, Vicodin, Phenergan and Macrodantin; all of which were doctor prescribed. I had to take a drug test which ...

1 answer 3 Mar 2010

I've never had suboxone in my system,what else can cause it to come up in a drug screening?

I just changed methadone clinics and my first urine test came up positive for suboxone.They took away all my take homes & since i've never ...

2 answers 5 Jul 2010

I need help. My sister tested positive for methadone in a court ordered drug test. It came back?

... positive in the urine test but not the hair test. She is on the following medications but I can't find a site that tells me if any of these ...

3 answers 1 Jul 2011