Sacroiliac pain occurs when movement of the sacroiliac joint (SI) – the joint which connects the sacrum to each side of the pelvis – becomes inhibited, causing the portion of the sciatic nerve that runs directly in front of the joint to become inflamed and irritated. Common symptoms include fever, stiffness and pain in the lower back, leg, hip and buttock. Sacroiliac pain, which can feel similar to sciatica, is often worse following prolonged periods of sitting or when turning in bed.
Sacroiliac joint pain can be due to a number of factors including problems with the sacroiliac and pelvic girdle ligaments, pregnancy, traumatic injury, infection, drug use, arthritis, poor posture or lifting position, cumulative trauma, or any other cause of persistent stress to the lower back.
Treatment can include one or more of the following:
- Strengthening exercises
- Heat and ice therapy
- Change of sleeping position
- Anti-inflammatory medication
- Steroid injections
- Surgery – if symptoms persist
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