Spondylitis Definition

Spondylitis is a general term used to classify a group of chronic diseases that affect the joints of the spine and sacroiliac region. This class of diseases includes ankylosing spondylitis, reactive arthritis, and psoriatic arthritis, among others.

Spondylitis is characterized by inflammation of the joints of the spine and sacroiliac, and also inflammation of the surrounding ligaments that attach bones to each other. With early diagnosis and treatment, most patients with these conditions go on to lead long, productive lives.