The epidural space in the spine is just outside the dura (the sac that contains the spinal fluid, spinal cord and the main nerves). Steroids are anti-inflammatory substances that help alleviate pain from irritated, pinched or inflamed nerves. The injection is performed under X-Ray guidance to insure the medication is delivered where it is needed. Contrast is injected prior to steroids to confirm needle position. Sedation is administered to render the procedure painless.
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