A member asked:

Can alkaseltzer severe sinus medicine pills make u fail a drug test for a job ? i have severe sinus infection and that's what i took the night before

A doctor has provided 1 answer

It could: Taylor, AlkaSeltzer severe sinus contains phenylepherine. This can occasionally cause a false positive methamphetamine screen. Just explain this to your employer, and hopefully they will understand, as this is a known reaction. Hope this helps!

Answered 3/20/2015

3.8k views

Thank

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