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A member asked:

Can taking 30 mg of pseudoephedrine show positive on a drug test after taking 5 hours before?

A doctor has provided 1 answer

Yes: As a false positive for amphetamine.

Dr Blackwelder agreed

Answered 7/6/2020

5.2k views

Thank

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What are some drugs that contain pseudoephedrine?

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What flu drugs contain pseudoephedrine and are comparable to nyquil d?

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