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What is a nerve block injection?

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Quick Answer

A nerve block injection is a nerve-numbing medication that is injected in a specific area of the body to relieve or manage pain, states WebMD. Groups of nerves are called a ganglion, or a plexus, and can cause pain in a certain area of the body.

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Full Answer

There are different types of nerve blocks that are used for different purposes, according to WebMD. A therapeutic nerve block is used to treat acute or chronic pain, while a diagnostic nerve block is used to find the cause of pain. Preemptive nerve blocks are used to treat pain before it occurs, such as phantom limb pain after an amputation.

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