Lanacane Used As Nasal Anesthesia Cause False Positive For Cocaine?
UpdatedCan Lanacane or lidocaine used as nasal anesthesia cause false positive on urine drug test?
2 Replies
Yes, Lidocaine can, if you absorb enough of it, since it is actually related to Cocaine.
https://rxchat.com/wiki/Lidocaine/
Did you have a false positive for it?
What over the counter or prescriptions can cause a positive test result in the sweat patch?
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