A member asked:

Can benzocaine cause a false positive test for cocaine?

A doctor has provided 1 answer
Dr. Kevin Nasky answered

Specializes in Psychiatry

No: Use of anesthetic agents, including benzocaine, tetracaine, and lidocaine, should not cause false-positive Cocaine test results in urine testing for any drugs of abuse, including cocaine.

Answered 6/24/2014

5.8k views

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