Sacroiliitis (sa-kro-il-ee-EYE-tis) is an inflammation of one or both of your sacroiliac joints, which connect your lower spine and pelvis. Sacroiliitis can cause pain in your buttocks or lower back, and may even extend down one or both legs. The pain associated with sacroiliitis is often aggravated by prolonged standing or by stair climbing.
Sacroiliitis has been linked to a group of diseases called spondyloarthropathies, which cause inflammatory arthritis of the spine. Sacroiliitis can be difficult to diagnose, because it may be mistaken for other causes of low back pain. Treatment of sacroiliitis may involve a combination of rest, physical therapy and medications.
The sacroiliac joints link your pelvis and lower spine. They're made up of the sacrum — the bony structure above your tailbone and below your lower vertebrae — and the top part (...
The pain associated with sacroiliitis most commonly occurs in the buttocks and lower back. It can also affect the legs, groin and even the feet. Sacroiliitis pain can be aggravated by:
A wide range of factors or events may cause sacroiliac joint dysfunction, including:
Depending on the severity of the pain, sacroiliitis can make it difficult for you to:
Sacroiliitis may be part of an inflammatory arthritic condition known as ankylosing spondylitis. Complications of this condition can be very serious, including difficulty breathing, spine deformities, lung infections and heart problems.
Preparing for your appointment
You're likely to start by first seeing your family doctor or general practitioner. However, because sacroiliitis can be difficult to diagnose, you may be referred to a rheumatologist or an orthopedic surgeon.
What you can do
What to expect from your doctor
The following factors may increase your likelihood of getting the condition:
Tests and diagnosis
Treatments and drugs
The type of treatment your doctor will recommend depends on the signs and symptoms you're having, as well as the underlying cause of your sacroiliitis.
Surgical and other procedures
Lifestyle and home remedies
Last Updated: 2010-07-15
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