Feb 22, 2024 · Sacroiliitis (say-kroe-il-e-I-tis) is a painful condition that affects one or both sacroiliac joints. These joints sit where the lower spine and pelvis meet. Sacroiliitis can cause …

Sacroiliitis happens when something irritates or damages one or both of your sacroiliac joints. This irritation leads to inflammation, which causes pain that you’ll usually feel in your low back …

Sacroiliitis is a condition where the sacroiliac joint is inflamed. Learn what causes sacroiliitis, how sacroiliitis is diagnosed, and what is done to treat sacroiliitis.

Learn about the symptoms, diagnosis, and mimicking conditions of sacroiliitis, and understand the various tests used for an accurate diagnosis.

Jan 28, 2025 · You most often get it in one of your SI joints, which your doctor may call "unilateral sacroiliitis." But you can get it in both, and your doctor may call that "bilateral sacroiliitis."

Bilateral sacroiliitis involves inflammation in both of the SI joints. These joints play a crucial role in supporting and stabilizing your pelvis and spine. They also absorb impact when you walk, run, …

Jun 28, 2025 · An MRI showing bilateral sacroiliitis usually signals an autoimmune spinal disease such as axial spondyloarthritis. Active inflammation on both sacroiliac joints explains persistent …

Aug 19, 2025 · People with sacroiliitis commonly present with ipsilateral or bilateral buttock and/or midline lower lumbar area pain. Up to 50% may have pain radiating to the lower extremity.

May 2, 2024 · Sacroiliitis symptoms can include pain in the lower back, buttocks, hips, and groin, and may worsen with prolonged standing or stair climbing. The condition can be caused by …

Jun 11, 2025 · Sacroiliitis is inflammation of the sacroiliac (SI) joint in the pelvic region of your body. This can lead to symptoms of pain in the lower back and buttocks. Sacroiliitis can be …