Are There Any Side Effects of Using a Nerve Block?


Quick Answer

Symptoms associated with using nerve blocks include high blood-sugar levels, rash and itching, weight gain and boosts of energy, according to WebMD. Rare symptoms that may occur include pain in the area the injection was received at, bleeding and death. Certain patients may need to seek alternative treatment.

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Full Answer

A nerve block is a form of pain medication that is injected into an area of the body to numb the nerves that exist within that area, explains WebMD. The injection is used when the pain is caused by a plexus or ganglion, a group of nerves that inflict pain. A nerve block may also be used to diagnose an undetermined source of pain, to determine if surgery is required to treat pain or as a way to ensure a patient does not experience pain following a particular procedure.

Different types of nerve blocks exist for different areas of the body, according to WebMD. These nerve block injections may be applied to several areas of the face, the neck, the shoulders, the back, various parts of the arm and the abdomen. Certain nerve blocks may be used to detect damage to an array of nerves on a broad scale, such as the sympathetic nerve block that determines if the nerves along the spine have been damaged or the stellate ganglion block that does the same with the nerves along the head, neck, chest and arms.

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