Experience fast and long-lasting relief with Aspercreme Lidocaine XL Pain Relief Patches. OTC Aspercreme pain relief patches contain 4% lidocaine the maximum allowed without a prescription. Powerful lidocaine numbs away pain and targets at the source. This fragrance-free patch is over 70% larger than our original-sized patch providing targeted pain relief to an increased surface area. Slim and discreet this patch is made with flexible fabric that stays on for up to 12 hours making it perfect post-workout or on the go. Apply to your back neck or shoulder for targeted relief from the No. 1 topical lidocaine brand in the U.S.* *Among OTC topical analgesics