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- Overuse/sports injury
- Sitting for a long time
- Accidents such as car crashes or falls
Piriformis syndrome is a rare, painful condition of the buttocks, hip and thigh. It is caused when the piriformis muscle irritates the sciatic nerve.
The piriformis muscle helps move the leg away from the body and rotate it at the thigh. The muscle is deep inside and is next to the sciatic nerve. The sciatic nerve carries information between the spinal cord and leg. An injury can cause swelling of the piriformis muscle. The swelling causes it to irritate the sciatic nerve. This causes sciatica, which is pain in the back of the thigh and/or lower back.
- Pain in the buttocks, hip and/or thigh
- Pain in the lower back
- Physical therapy (stretching of the piriformis)
- Stopping physical activities/sports that may have caused injury
- Corticosteroid injection into the piriformis muscle