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I took a hair follicle test for a promotion at work and it

came back positive for methamphetamine...
I took a hair follicle test for a promotion at work and it came back positive for methamphetamine. I'm a recovering addict and even when I was using I didn't use meth. What else could cause this?
JA: Is this a time sensitive issue? What type of specimen are they testing?
Customer: They used a sample from under my arm.
JA: Anything else in your medical history you think the doctor should know?
Customer: I'm 50 and have COPD. I've been clean 8 years. I'm glad to answer any questions. I'm not sure what's relevant.
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Answered in 39 minutes by:
5/26/2017
Dr. David
Dr. David, Board Certified Physician
Category: Medical
Satisfied Customers: 47,516
Experience: Experienced Physician trained in New York City. I'm ready to help.
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Hello, this is Dr. David. I am reviewing your question now and will be with you momentarily.

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antihistamines over the counter like brompheniramine, phenylpropanolamine can cause false positive for meth

antidepressants such as bupropion and trazodone

antipsychotics like chlorpromazine and promethazine can

and ranitidine and zantac can cause false positive

I included an article about this.

any positive test needs to be confirmed with a MS/GC confirmatory test.

let me know if you have questions.

Dr. David
Dr. David, Board Certified Physician
Category: Medical
Satisfied Customers: 47,516
Experience: Experienced Physician trained in New York City. I'm ready to help.
Verified
Dr. David and 87 other Medical Specialists are ready to help you
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Dr. David
Dr. David
Dr. David, Board Certified Physician
Category: Medical
Satisfied Customers: 47,516
47,516 Satisfied Customers
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