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Can phenylephrine HCL cause a false positive in any drug test?

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Can phenylephrine HCL cause a false positive in any drug test?

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YES! Search “phenylephrine and false positives”….you will get many websites listing many over the counter medications that can cause a positive drug screen. Phenylephrine, Dextromethorphan, & Guaifenesin…active ingredients in many cold remedies…

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