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 ...

The patch was first approved by the U.S. Food and ... Topical agents like methol, camphor, methyl salicylate, lidocaine, and ...

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.