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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes False Positive Result For Methamphetamine In The Hair Follicle Test?

I have taken 2 drug tests in the past 6 months and have not used any illegal drugs in 10 months. My hair follicle test and my fingernail test have both shown that I have amphetamine s and methamphetamines in my system. Why is this and can I prove my innocence in any way?
Mon, 2 Jul 2018
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General & Family Physician,  's  Response
Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.

Amphetamine, can be detected with a hair follicle drug test for up to 90 days. If you are taking pills to lower body weight that contains phentermine like duromine tests come positive.

Hope I have answered your query. Let me know if I can assist you further.
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What Causes False Positive Result For Methamphetamine In The Hair Follicle Test?

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. Amphetamine, can be detected with a hair follicle drug test for up to 90 days. If you are taking pills to lower body weight that contains phentermine like duromine tests come positive. Hope I have answered your query. Let me know if I can assist you further.