A member asked:

My girlfriend took a tizanidine 503 4mg and has a drug test tomorrow for school she's never done drugs will it show up on a drug test?

A doctor has provided 1 answer

No: Tizanidine doesn't show up on drugs of abuse screening. It is a muscle relaxant that isn't a benzodiazepine; the muscle relaxants that do show up on drug tests are the benzodiazepines.

Answered 2/17/2021

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