Lumbar Epidural Steroid Injection

Lumbar Epidural Steroid Injection

A lumbar epidural steroid injection (ESI) is an injection of a small dose of anti-inflammatory medication (called a glucocorticoid) into the lower back to relieve pain in your legs or lower back. The medication is injected into an area of fatty tissue surrounding the spinal nerves called the epidural space. By reducing inflammation, an ESI can help reduce your pain. An ESI can be both a treatment and a way to diagnose a specific nerve root problem when there is a question.

Pain relief may last for several days or even years. The goal is to reduce pain so that you may resume normal activities and a physical therapy program.

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