Head-to-head comparisons of medication uses, side effects, warnings, and more.
Trolamine salicylate
Lidocaine 5% patch (Lidoderm)
Trolamine salicylate
Lidocaine 5% patch (Lidoderm)
Summary of Aspercreme Original vs. Lidoderm
Summary for Topical analgesic
Trolamine salicylate is a topical analgesic that helps relieve minor aches and pains from certain conditions, like muscle sprains and arthritis. This medication is a non-steroidal anti-inflammatory drug (NSAID) that's similar to aspirin. Trolamine salicylate can be used by people ages 12 years and older. It's applied directly to the affected areas, typically up to 4 times a day. This medication comes in different forms, such as cream, spray, and foam. Trolamine salicylate might cause skin irritation as a side effect. It's available over the counter (OTC) as brand name and lower-cost generic medications.
Summary for Local anesthetic
Prescription only
Lidocaine 5% patch (Lidoderm) is a prescription medication used to relieve nerve pain caused by a shingles infection, also called postherpetic neuralgia (PHN). It's a local anesthetic that works by numbing your nerves to help reduce pain. You apply the patch directly to the painful area of your skin once a day, and it can be worn for up to 12 hours in a 24-hour period. Common side effects include temporary skin irritation, redness, and a mild burning sensation where the patch is applied.