A member asked:

I had a sip of tussin cf cough syrup. will i fail a drug test ( dip stick or lab ) 24 hours after?

A doctor has provided 1 answer

Maybe: This medication may interfere with certain medical/laboratory tests (including urine 5-HIAA/VMA levels, brain scan for Parkinson's disease), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.

Answered 11/23/2015

1.9k views

Thank

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A member asked:

What are the differences between CF and dm in cough medicine?

A doctor has provided 1 answer