Max Says:
Lidocaine Patch Cause Negative Positive For Cocaine
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pete Says:
i test for cocaine every week with a saliva swab test, i use lidocaine for pain (patches). will a false positive show cocaine use if i use lidocaine long term?
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Nick Says:
Can heavy use of 700 mg Lidocaine Patch Cause Negative Positive For Cocaine in a hair test?
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bleegs Says:
It is unlikely that the use of a lidocaine patch will show a false positive for cocaine. Just to be on the safe side, take your prescription for lidocaine to the testing site so they can make a notation on your test.
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