Piriformis Injection

What is it?

Piriformis is a disorder in which the piriformis muscle in the buttocks irritates the sciatic nerve. For severe sciatica pain from piriformis syndrome, an injection may be part of the treatment.

Piriformis injection

A local anesthetic and corticosteroid may be injected directly into the piriformis muscle to help decrease the spasm and pain. The purpose of an injection is usually to decrease acute pain to enable progress in physical therapy.

Botox injection

For persistent piriformis spasm that is resistant to treatment with anesthetic/corticosteroid injections, an injection of botulinum toxin (e.g. Botox®), a muscle-weakening agent, may be useful. The goal of the injection is to help the muscle relax and help reduce pressure on the sciatic nerve.

What are the benefits?
The goal with both injections is to help the patient progress with stretching and physical therapy, so that when the effect of the injection is over the muscle will be remain stretched and relaxed.

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