A member asked:

I take 58 mlg methadone 1x day, 600 mlg 3x day ibuprofin, 10 ml flexoral 1x night. i take fuerocet/ultram as needed. i failed drug test for benzos. why?

A doctor has provided 1 answer
Dr. Marshall Bedder answered

Specializes in Pain Management

Cross Reactivity: If you are taking "fioricet", a barbiturate, there can be cross reactivity with a benzodiazepine on standard udt.

Answered 9/28/2016

5.3k views

Thank

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