Lidocaine topical: side effects, dosage, interactions, FAQs, reviews. Used for: anal itching, anesthesia, burns, external, gastrointestinal surgery, gastrointestinal tract examination, and more. Learn about lidocaine viscous 2% usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Find patient medical information for Lidocaine (mucous membranes) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Lidocaine skin patch is used to relieve nerve pain caused by herpes zoster or shingles (postherpetic neuralgia). Lidocaine belongs to the family of medicines called local anesthetics. Lidocaine numbs pain, steadies heart rhythms, and more. Learn how it works, where it’s used, and what side effects to watch for. Lidocaine injection is used to cause numbness or loss of feeling for patients having certain medical procedures (by blocking certain nerves using the brachial plexus, intercostal, lumbar, or epidural blocking techniques). Lidocaine injection is a local anesthetic. This means that it reduces sensation or pain in the area of the body where it is injected and does not affect other areas. Overview: Topical lidocaine is primarily used to relieve pain or itching from irritated skin or hemorrhoids. It works by temporarily blocking nerve signals that cause you to feel pain. The most. Learn about the side effects of lidocaine, from common to rare, for consumers and healthcare professionals. Lidocaine is used to relieve nerve pain after shingles (infection with the herpes zoster virus). Learn about side effects, drug interactions, dosages, warnings, and more.