Ocular complications are common in patients with PsA. Approximately one third (31%) of patients with PsA develop ocular complications, including a notably high incidence of acute anterior uveitis. Uveitis is usually bilateral, unlike in ankylosing spondylitis where it is unilateral, with an alternating pattern. Scleritis and keratoconjunctivitis sicca may occur, but they are usually rare.
Crohn's disease and ulcerative colitis, both inflammatory bowel diseases, may occur in patients with PsA. Several studies reported the prevalence of IBD in patients with PsA, ranging from 0% to 20%.
Learn more about extra-articular features in PsA.
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Cite this: Herbert S Diamond, Anwar Al Hammadi, Eric M. Ruderman, et. al. Fast Five Quiz: Can You Identify Psoriatic Arthritis and Initiate the Best Treatment Practices? - Medscape - Jan 25, 2023.