Lidocaine, also known as lignocaine and sold under the brand name Xylocaine among others, is a local anesthetic of the amino amide type. [12] It is also used to treat ventricular tachycardia and ventricular fibrillation. [9][10] When used for local anaesthesia or in nerve blocks, lidocaine typically begins working within several minutes and lasts for half an hour to three hours. [10][11. Lidocaine topical side effects Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat. Lidocaine topical may cause serious side effects. Call your doctor at once if you have: vomiting, fever, chills, sore throat, body aches, unusual tiredness, loss of appetite, bruising or bleeding; sudden dizziness or. Description 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 is a local anesthetic. It prevents pain by blocking the signals at the nerve endings in the skin. Lidocaine is often confused with Nonsteroidal Anti-inflammatory Drugs (NSAIDs) because both are commonly used to manage pain. Lidocaine is not an NSAID; it belongs to a completely different pharmacological class, the local anesthetics. While they share the function of pain relief, their actions within the body are fundamentally distinct, operating on separate biological pathways. Understanding. Find patient medical information for Lidocaine (mucous membranes) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Whether numbing pain for a dental procedure, soothing a sunburn, or stabilizing an irregular heartbeat, lidocaine has become a cornerstone in medical care. Known for its versatility, lidocaine is a widely used local and topical anesthetic and anti-arrhythmic medication that works quickly to manage pain or stabilize heart rhythms. This article explores lidocaine’s wide-ranging uses, its. Lidocaine is used for local and topical anesthesia (infiltration, nerve blocks, mucous membranes), cardiac arrhythmias (ventricular tachyarrhythmias, post-surgical dysrhythmias), IV use during intubation to reduce hypertensive response, post-herpetic neuralgia relief (5% patch), and urological procedures (2% jelly for urethral anesthesia). Not all lidocaine is the same — here’s how to know when OTC options are safe and when you actually need a prescription. 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. Lidocaine can cause serious side effects, especially in children, if it gets into the mouth and is swallowed. If you are using the viscous topical solution medicine in the mouth or throat, be aware of signs of toxicity.