Lanacane Used As Nasal Anesthesia Cause False Positive For Cocaine?

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Can Lanacane or lidocaine used as nasal anesthesia cause false positive on urine drug test?

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1

Yes, Lidocaine can, if you absorb enough of it, since it is actually related to Cocaine.

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Did you have a false positive for it?

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What over the counter or prescriptions can cause a positive test result in the sweat patch?

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