A member asked:

Im testing positive fir fentynal even though i haven't taken illicit drugs in many years. i'm also on subutex & suffer from cirrhosis of the liver. i could lose everything ive worked so hard for. please help?

A doctor has provided 1 answer
Dr. Silviu Pasniciuc answered

Specializes in Internal Medicine

Fentanyl has a high false positive rate in tox screens and confirmatory tests are recommended. Trazodone, among others is known to cross react and cause false positivity.

Answered 4/10/2021

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