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Can Lidocaine Cause False Positive Result For Marijuana In A Urine Drug Test?

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Posted on Mon, 21 Dec 2015
Question: by having diabetes or using 700mg Lidocaine patches, could either produce a false positive for cocaine in UA at dr's office or lab testing for metabolites?
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Answered by Dr. Dr. Rovena (1 hour later)
Brief Answer:
detailed below.

Detailed Answer:
Hello.

Welcome to Healthcare Magic.

I read carefully your query.

Diabetes doesn't interfere with a urine drug test and it is unlikely to cause a false positive result for cocaine use.Lidocaine patches,has a different structure from cocaine metabolites ,so it doesn't cause a false positive result in a urine drug screen.

Hope it helps.
Let me know if you have any question.

Kind regards,
Dr.Rovena Murati
Note: For further follow up on related General & Family Physician Click here.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Dr. Dr. Rovena

General & Family Physician

Practicing since :2013

Answered : 1243 Questions

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Can Lidocaine Cause False Positive Result For Marijuana In A Urine Drug Test?

Brief Answer: detailed below. Detailed Answer: Hello. Welcome to Healthcare Magic. I read carefully your query. Diabetes doesn't interfere with a urine drug test and it is unlikely to cause a false positive result for cocaine use.Lidocaine patches,has a different structure from cocaine metabolites ,so it doesn't cause a false positive result in a urine drug screen. Hope it helps. Let me know if you have any question. Kind regards, Dr.Rovena Murati