A 55-year-old member asked:
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could lidocaine test positive for cocaine in a urine test?

1 doctor answer
Dr. Alan Wartenberg
48 years experience Addiction Medicine
No: Neither on screening tests or confirmatory tests. They are totally different chemicals that are unrelated, and tests do not confuse the two.
Answered on Feb 12, 2019

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No: No, the drugs are chemically distinct.

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