Definitions
Sacroiliitis
Overview
Sacroiliitis is inflammation of 1 or both of the joints that connect the lower spine and pelvis (sacroiliac joint).
Symptoms
Pain is often in the buttocks and lower back. It may occur in the legs, groin, and feet. It can increase with activity.
Treatments
Treatments focus on relieving pain. They can include medications, muscle relaxants, and physical therapy.