I also was taking Clindamycin and vicodine. Not sure if dentist used novicane or lidocane. This is a false positive but lab said not a chance.
I tested positive for cocaine the day after receiving a root canal?
Question posted by didsdid1 on 18 Nov 2011
Last updated on 18 November 2011 by LaurieShay
Answers
LaurieShay
18 Nov 2011
There are many antibiotics such as Clindamycin that will cause a false positive for cocaine. The following is a link to a list of medicines and what they can cause as far as false positives. Under the a's is listed antibiotics and false positive for cocaine with the references cited.
https://www.drugs.com/article/false-positive-drug-tests.html
Hope this helps,
Laurie
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