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Does lidocaine ointment 5% cause a false positive for cocain?

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will lidocaine ointment - 5% - cause a false positive for cocaine
and'or will an 80% lidocaine product cause a false positive urine analysis for cocaine?
Posted Wed, 20 Mar 2013 in Medicines and Side Effects
 
 
Answered by Dr. Y V Siva Sankara Murty 40 minutes later
Hi,

Thanks for writing to us.

No, Lidocaine ointment 5% will not cause a false positive for cocaine.

Hope this helps. Let me know if you have other concerns.

Take care
Above answer was peer-reviewed by
 
Follow-up: Does lidocaine ointment 5% cause a false positive for cocain? 21 minutes later
and'or will an 80% lidocaine product cause a false positive urine analysis for cocaine?
 
 
Answered by Dr. Y V Siva Sankara Murty 10 minutes later
Hi

Thanks for writing to us.

No, Lidocaine ointment at any concentration will not cause false positive for cocaine.

Hope this helps.

Take care.
Above answer was peer-reviewed by
 
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