An inflammation of the sacroiliac joint, which is one of a pair of joints in the lower back near the pelvis. Sacroiliitis produces an aching pain in the lower back and may be a symptom of a variety of conditions or diseases. When the pain occurs on both sides of the lower back, it can be caused by ankylosing spondylitis, Reiter syndrome, psoriatic arthritis, rheumatoid arthritis, or juvenile rheumatoid arthritis. When there is pain on one side, sacroiliitis may be due to gout, osteoarthritis, or an infection. Sacroiliitis is diagnosed by X rays and blood tests. Treatment is with non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen and aspirin, or if the joint is infected, antibiotics.
Inflammation of the sacroiliac joint Involvement of both joints is a common feature of ankylosing spondylitis and associated rheumatic diseases, including Reiter’s syndrome and psoriatic arthritis. The resultant low back pain and stiffness may be alleviated by rest and analgesics.
Inflammation occurring within a sacroiliac joint, which is part of a pair of joints positioned between the sacrum (the triangular bone below the lumbar vertebrae) and each ilium (hip bone) on both sides of the body.
Sacroiliitis can arise from different conditions, including ankylosing spondylitis, Reiter’s syndrome, rheumatoid arthritis, or psoriasis-related arthritis. The primary symptom involves pain experienced in the lower back, buttocks, groin, and the back of the thigh. Treatment typically involves the use of nonsteroidal anti-inflammatory drugs.