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What is Lidocaine?

Lidocaine, also known as xylocaine and lignocaine, is a medication used to numb tissue in a specific area and to treat ventricular tachycardia. It can also be used for nerve blocks. Lidocaine powder mixed with a small amount of epinephrine is available to allow larger doses to be used as numbing and to make it last longer. When used as an injectable it typically begins working within four minutes and lasts for half an hour to three hours. Lidocaine may also be applied directly to the skin for numbing.

Common side effects with intravenous use include sleepiness, muscle twitching, confusion, changes in vision, numbness, tingling, and vomiting. It can cause low blood pressure and an irregular heart rate. There are concerns that injecting it into a joint can cause problems with the cartilage. It appears to be generally safe for use in pregnancy. A lower dose may be required in those with liver problems. It is generally safe to use in those allergic to tetracaine or benzocaine. Lidocaine is an antiarrhythmic medication of the class Ib type. Lidocaine works by blocking sodium channels and thus decreasing the rate of contractions of the heart. When used locally as a numbing agent, local neurons cannot signal the brain.

What is it used for?

    Lidocaine is mostly used to numb pain. It is in a class of medicines called local anaesthetics.

    In general this drug is used to relieve pain from minor ailments. It is applied externally to the painful area. Also, it may be injected as a local anaesthetic in small operations and procedures.

Listed below are the typical uses of lidocaine:

    To reduce teething pain in babies

    To relieve pain associated with mouth ulcers

    To reduce denture irritation

    To lessen toothache

    To relieve sore throat

    To reduce pain of cold sores

    To numb pain and itching due to bites and stings

    To relieve pain and itchiness associated with haemorrhoids

    As a local anaesthetic for minor surgery and medical procedures


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Xi'an Fengzu Biological Technology Co.,Ltd
Manufacturer Add: Industrial Park in Wugong County, Xianyang City,Shaanxi Province, China.
Office Add: 21F, Tangfengguoji,No.18 Fenghuinanlu, Xi'an City, Shaanxi Province, China.
Office Tel: 86-029-89561932/86-135-7248-9476             Office Fax: 86-029-8918-9705
Email: sales@fengzusw.com                                            Skype: fengzusw