4 doctors weighed in:

Will benzocaine cause a false positive for cocaine?

4 doctors weighed in
Dr. Alan Ali
Psychiatry
2 doctors agree

In brief: Benzocaine

For Benzocaine topical, not likely.

In brief: Benzocaine

For Benzocaine topical, not likely.
Dr. Alan Ali
Dr. Alan Ali
Thank
Dr. Kevin Nasky
Psychiatry

In brief: 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.

In brief: 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.
Dr. Kevin Nasky
Dr. Kevin Nasky
Thank
Get help from a real doctor now
Dr. Vikram Patel
Board Certified,
33 years in practice
951K people helped
Continue
108,000 doctors available
Read more answers from doctors