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A member asked:
I recently took a hair test which came up positive for methamphetamines 22.3ng and negative for amphetamines i dont do drugs of any kind and have definitely never touched methamphetamines how is this possible and how can i fight it?
A doctor has provided 1 answer
Depending on the type of test done, antihistaminics can give a false positive test for meth. You could ask for a confirmatory test by mass spectrometry.
Answered 8/23/2021
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