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Can Gabapentin Show False Positive For Methamphetamine?

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Posted on Thu, 30 Jul 2015
Question: Can you get a false positive for amphetamines or methamphetamine taking Fluexotine and Gabapentin?
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Answered by Dr. Dr. Matt Wachsman (41 minutes later)
Brief Answer:
well.... you can get a false positive

Detailed Answer:
regardless of drug....and that is pretty common.
http://jat.oxfordjournals.org/content/29/5/359.long
(there weren't any other drugs involved and there were still false positives)

Also any of the raw materials used in the manufacture of amphetamine are strongly associated with false positives. This includes not only all nasal decongestants but it's a wonder that asthma inhalers don't always show up (and they only sometimes show up).

wellbutin and MAO inhibitors of course will show up as methamphetmaine/amphetamine. Fluexotine and cocaine false positives are linked. but I'm not finding anything specific for those particular drugs and methamphetamine.
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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Dr. Matt Wachsman

Addiction Medicine Specialist

Practicing since :1985

Answered : 4214 Questions

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Can Gabapentin Show False Positive For Methamphetamine?

Brief Answer: well.... you can get a false positive Detailed Answer: regardless of drug....and that is pretty common. http://jat.oxfordjournals.org/content/29/5/359.long (there weren't any other drugs involved and there were still false positives) Also any of the raw materials used in the manufacture of amphetamine are strongly associated with false positives. This includes not only all nasal decongestants but it's a wonder that asthma inhalers don't always show up (and they only sometimes show up). wellbutin and MAO inhibitors of course will show up as methamphetmaine/amphetamine. Fluexotine and cocaine false positives are linked. but I'm not finding anything specific for those particular drugs and methamphetamine.