Could pseudoephedrine interfere with the urine drug screen for amphetamines?

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Answers (1)

16 Sep 2009

Yes. It is possible.

There are reports that over-the-counter cold medicines containing ephedrine, pseudoephedrine, propylephedrine, phenylephrine or desoxyephedrine can cause false positives for amphetamines in some urine tests.

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