Sacroiliitis is a condition where there is inflammation in the joint where the upper and lower body meet.




What is Sacroiliitis?

Sacroiliitis is a condition in which there is inflammation of one or both of the sacroiliac, or SI, joints. The two SI joints are where the upper and lower body meet. Specifically, the SI joints are where the lower portion of the spine connects to the pelvis. The primary function of the SI joints are to transfer weight from the upper body to the lower body.

What causes Sacroiliitis?

Sacroiliitis may be caused by trauma or injury, like car accidents or falls that result in damage to the sacroiliac joint. Pregnancy can also cause sacroiliitis, as the sacroiliac joints stretch and loosen in preparation for childbirth. Other causes of sacroiliitis may include infection or arthritis. Types of arthritis in the sacroiliac joint commonly include osteoarthritis and ankylosing spondylitis.

Symptoms and Diagnosis

Symptoms of sacroiliitis commonly include pain in the low back, buttocks, or groin. This pain may extend down the legs and into the feet. This pain can be aggravated by extended periods of standing or by climbing stairs. This condition may be difficult to diagnose, as it can be difficult to distinguish from other types of back pain.

How is Sacroiliitis treated?

Treatment options for sacroiliitis are usually conservative in nature. Medication may be prescribed to help reduce inflammation. Your doctor may also prescribe rest, activity modification, physical therapy, or injections.

All information provided on this website is for information purposes only. Please see a healthcare professional for medical advice. If you are seeking this information in an emergency situation, please call 911 and seek emergency help.

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COVID-19 Update:
We are still open and treating patients, however, in order to assist in minimizing the spread of the COVID-19 virus and in order to make it safer for you we have made some changes which, we hope, will be temporary.

Appointments made for office visits will be distanced apart in order to avoid crowding the waiting room.

In addition, we are currently working a reduced office schedule of Monday, Wednesday, and Thursday from 8:30 AM to 12 noon. If for some reason, you are only able to come in the afternoon special arrangements can be made.

If you call the office and the answering service answers, you can leave a message with them for a routine follow-up and we will call you back. If you believe your symptoms are more serious, then please ask the answering service to patch the call through to me.

For some types of office visits, we also have telemedicine options that can be downloaded for free onto your iPhone. These include Zoom and FaceTime.

Thank you for your continued support during these times and we look forward to serving you in full capacity towards the end of April.


Donald Mackenzie, M.D, F.R.C.S.C, F.A.C.S.