2 doctors weighed in:

How can a lidocaine patch work?

2 doctors weighed in
1 doctor agrees

In brief: Topical analgesia

Lidocaine is a local anaesthetic.
A Lidocaine patch is a topical analgesic. The patch has a membrane loaded with Lidocaine and a chemical which allows the Lidocaine to cross the skin.

In brief: Topical analgesia

Lidocaine is a local anaesthetic.
A Lidocaine patch is a topical analgesic. The patch has a membrane loaded with Lidocaine and a chemical which allows the Lidocaine to cross the skin.
Dr. Gary-Anthony Lawson-Boucher
Dr. Gary-Anthony Lawson-Boucher
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