Ankylosing Spondylitis Ankylosing spondylitis (AS) is a type of arthritis that affects the joints in your spine. It usually develops in your sacroiliac joints (where the bottom of your spine joins your pelvis). It causes typical arthritis symptoms like pain and stiffness, but it can also cause digestive symptoms, rashes and weight loss. Spondylitis is a category of several types of arthritis that usually affect the back. We explain the different types of spondylitis, diagnosis, treatment, and more. Lumbar spondylitis, also called lumbar spondylolysis, can lead to a limited range of motion in the back and problems with other joints, such as the ribs, shoulders, or hips. Symptoms typically ... Spondylitis can also cause no symptoms until it causes nerve damage or damage to the spinal core. As we mentioned earlier, Spondylitis can progress so far as to cause spinal stenosis.
