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Search Health Information    Nerve Block

Nerve Block

A nerve block is a local anesthetic injected into or around a nerve or into the spine to temporarily prevent the nerve from relaying pain. A nerve block may cause temporary muscle paralysis or a loss of all feeling in the affected area or in the surrounding area.

Nerve blocks can be used to determine the source of pain, to treat painful conditions, and to predict how pain will respond to long-term treatments. Nerve blocks are also used for short-term pain relief after some surgeries and other procedures. They may be used for anesthesia during some smaller procedures, such as finger surgery.

Current as of: March 12, 2014

Author: Healthwise Staff

Medical Review: Anne C. Poinier, MD - Internal Medicine & Nancy Greenwald, MD - Physical Medicine and Rehabilitation

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