Lidocaine patches are in a drug class called local anesthetics that relieve pain in a small area of your body. Lidocaine ...

However, such responses appear to have increased because of lidocaine's more frequent use in topical therapies. We report on 16 patients who had positive patch-test reactions to lidocaine.

The pharmacokinetics, safety, and tolerability of four topical lidocaine patches 5% continuously applied for 72 hours and changed every 12 or 24 hours were examined. In this randomized ...