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Can Gabapentin Cause A False Positive For Cocaine In Urine Test?

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Posted on Wed, 19 Apr 2017
Question: A 50 year old female friend who is an RN recently went to a neologist he gave her a urine test that was OK. he gave her a Rx for Gabapentin because she was complaining about body aches and soreness. 3 days later at work she got a random urine test and was pos. for cocaine. This woman does not even drink. the result was 12 days after the Rx. She then got a hair test and was neg. 1 month later she applied for a new job ,they gave a urine test and she was pos. then a hair test also showed pos. She was told it was probably the person preparing her food, Which is me. I told her no way and I didn't. I need an answer . She also takes clonazepam,escittalopram,ginko fo-ti root,rhodiola rosea and drinks tonic water
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Answered by Dr. Dr. Erion Spaho (1 hour later)
Brief Answer:
Some substances and conditions may cause false positive results.

Detailed Answer:
Hello and thanks for using HealthcareMagic.

I have read your question and understand your concerns.

Drugs you mentioned are not found to cause false positive results of cocaine tests.

Possible substances and drugs that may cause such false positive results include penicillin group antibiotics (penicillin, ampicillin, amoxicillin), tonic water (if used for long periods), and some conditions such liver and kidney diseases (infections for example ).

To mention, in some cases, there are also human errors.

Hope you found the answer helpful.

Let me know if I can assist you further.

Kind regards.


Above answer was peer-reviewed by : Dr. Arnab Banerjee
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Follow up: Dr. Dr. Erion Spaho (20 minutes later)
Could eating chocolate brownies and chocolate chip cookies with nuts play a factor. This situation is driving us crazy trying to find an answer. could cocaine be put in food then cooked, and show in a urine test
can any kind of chocolate or nuts cause a positive result for cocaine in a urine test

Is there some kind of substance that could be put in a beverage to cause a positive cocaine result in a urine test
doctor
Answered by Dr. Dr. Erion Spaho (14 hours later)
Brief Answer:
Coca plant substances may be a possibility.

Detailed Answer:
Welcome back.

If the chocolate contains coca plant substances, it may be possible to result in false positive testing for cocaine.

Cocaine also may be put in food and beverages and resulting this way in false positive testing.

Besides immunoassay testing ( when it results positive ), Gas Chromatography Mass Spectrometry (or GC-MS) test is more specific and accurate test with minimal false positive results.

Hope I helped you.

Kind regards.
Above answer was peer-reviewed by : Dr. Vaishalee Punj
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Answered by
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Dr. Dr. Erion Spaho

Neurologist, Surgical

Practicing since :2004

Answered : 4433 Questions

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Can Gabapentin Cause A False Positive For Cocaine In Urine Test?

Brief Answer: Some substances and conditions may cause false positive results. Detailed Answer: Hello and thanks for using HealthcareMagic. I have read your question and understand your concerns. Drugs you mentioned are not found to cause false positive results of cocaine tests. Possible substances and drugs that may cause such false positive results include penicillin group antibiotics (penicillin, ampicillin, amoxicillin), tonic water (if used for long periods), and some conditions such liver and kidney diseases (infections for example ). To mention, in some cases, there are also human errors. Hope you found the answer helpful. Let me know if I can assist you further. Kind regards.