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What are nerve block injections?

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In a nerve block, a doctor injects the area around the nerve with a numbing medicine, or anesthetic. Lidocaine is the anesthetic most commonly used.

After a nerve block injection, you’ll quickly have numbness with near-complete pain relief. It wears off after several hours.

From: Injections for Back Pain Relief WebMD Medical Reference

SOURCES:

Benzon, H. Mosby, 2008. Raj's Practical Management of Pain,

Canale, S. Mosby, 2008. Campbell's Operative Orthopedics,

American Academy of Neurology: "Assessment: Use of Epidural Steroid Injections to Treat Radicular Lumbosacral Pain."

Reviewed by William Blahd on January 4, 2017

SOURCES:

Benzon, H. Mosby, 2008. Raj's Practical Management of Pain,

Canale, S. Mosby, 2008. Campbell's Operative Orthopedics,

American Academy of Neurology: "Assessment: Use of Epidural Steroid Injections to Treat Radicular Lumbosacral Pain."

Reviewed by William Blahd on January 4, 2017

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How are nerve block injections used to diagnose the cause of back pain?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.

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