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Yes, Sudafed does have a quantity of narcotic in the formula. That's why you can only purchase it over the pharmacy counter and they make you sign for it, rather than just stock it on the shelf. It will cause a positive test.

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Q: Can NyQuil cause a positive for amphetamines in a urine sample?
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Can seroquel cause a positive for amphetamines?

no it should not as seroquel is a benzodiazopine which is not related to amphetamines


Can phentermine cause a diluted result in a drug urinalysis?

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Adderall will cause one to test positive for amphetamines in a drug screen.


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