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Dr. Josh
Dr. Josh, Doctor
Category: Health
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Experience:  Practicing Physician, Family Physician for 7 years
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For pre employment drug test, can Clartin D 12 hour cause a

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For pre employment drug test, can Clartin D 12 hour cause a false positive?
Welcome to Justanswer website.
Myself Dr Josh and I’m happy to help with your question today.
Well, Clartin D 12 contains pseudoephedrine which can cause false positive for amphetamines.
This could potentially cause a false positive test.
However, if the test was subsequently sent for GC/MS
(Gas chromatography–mass spectrometry) confirmation at a laboratory, this medication would NOT cause a false positive.
You can ask for this further GC/MS testing.
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