Salonpas Lidocaine Pain Relieving Gel-Patch is the latest innovation from the world’s leader in medicinal pain patches. Salonpas® Lidocaine Pain Relieving Gel- Patch provides temporary relief of pain associated with back, neck, shoulders, knees and elbows. Salonpas® Lidocaine Pain Relieving Gel-Patch is not indicated for post-herpetic neuralgia.