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A member asked:

Taking nyquil on a regular basis can it cause the ethanol level in your blood to be significantly high and cause a positive blood test for alcohol?!

A doctor has provided 1 answer
Dr. James Loflin answered

Specializes in Urgent Care

It depends: Nyquil is 25% alcohol. That's 50 proof. If you take enough of it, it will give a positive blood alcohol result.

Answered 10/4/2016

5.4k views

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