Piriformis injections are used for buttock pain and sciatica (pain that travels down the back of your leg). Piriformis syndrome is a condition in which the piriformis muscle either spasms and causes buttock pain, or entraps/ irritates the sciatic nerve causing pain, numbness, and tingling down the back of the leg.
Piriformis injections are performed under fluoroscopic guidance (x-ray imaging). A small needle is inserted into piriformis muscle where both steroid and local anesthetic are injected. This works by relaxing the muscle and reducing the inflammation and irritation.
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