PHN is long-term nerve pain, which is a common complication of shingles. These lidocaine patches are prescription-only. OTC lidocaine 4% patches can be used to relieve minor aches and pains ...

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 ...