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General, Regional, and Local Anesthesia

General, Regional, and Local Anesthesia

Anesthesia is a way to control pain using anesthetic medicine. Anesthetics are used to numb a specific area of the body (local and regional anesthesia) or to cause a person to sleep through a painful procedure such as surgery (general anesthesia).

  • Local anesthesia numbs just a small area of tissue where a minor procedure is to be done.
  • Regional anesthesia affects a larger (but still limited) part of the body and does not make the person unconscious. Spinal and epidural anesthesia are examples of regional anesthesia.
  • General anesthesia affects the entire body and makes the person unconscious. The unconscious person is completely unaware of what is going on and does not feel pain from the surgery or procedure. General anesthesia medicines can be injected into a vein or inhaled.

The type of anesthesia used depends upon the procedure and the person's health, age, and preferences. Young children usually cannot remain still during surgery and need general anesthesia. People with certain health problems choose local or regional anesthesia when that is an option, because it may pose fewer risks than general anesthesia in some situations. Long or difficult surgeries may require general anesthesia.

A person choosing local or regional anesthesia needs to be able to lie still and remain calm during the surgery and will likely be given medicine to help with relaxation.

Last Revised: September 30, 2011

Author: Healthwise Staff

Medical Review: Adam Husney, MD, MD - Family Medicine & John M. Freedman, MD, MD - Anesthesiology

This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.

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