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Peripheral Nerve Blocks

Peripheral Nerve Blocks

A peripheral nerve block consists of injecting a mixture of corticosteroid and local anesthetic on a nerve to help reduce inflammation and alleviate pain. It can also be used as a diagnostic study to determine the source of a patient’s pain. This form of treatment is typically used to treat pain from Herpes Zoster (Shingles), Reflex Sympathetic Dystrophy (also known as Complex Regional Pain Syndrome), and meralgia paresthetica to name a few. The patient is brought to the procedure room and sedated, typically with a combination of a pain reliever and relaxant. The area to be injected is numbed with local anesthetic. X-ray is used to guide needle placement in order to ensure proper delivery of the medication. Contrast dye is used to ensure needle placement on X-ray and a mixture of steroid and local anesthetic is injected near the nerve root. Once the procedure is completed, the patient is brought into the recovery room for 30 minutes, provided with food and drink, and given post-treatment instructions.