(HealthDay)—Psoriasis appears to be significantly associated with inflammatory bowel disease (IBD), according to a review published online Oct. 24 in JAMA Dermatology.

Yun Fu, M.D., from Chang Gung Memorial Hospital in Taiwan, and colleagues assessed case-control, cross-sectional, or cohort studies that examined either the odds or risk for IBD in patients with psoriasis.

Based on five case-control or cross-sectional studies and four cohort studies that involved a total of 7,794,087 participants, the researchers found significant associations between psoriasis and Crohn's disease (odds ratio, 1.7) and between psoriasis and ulcerative colitis (OR, 1.75). In addition, patients with psoriasis had an increased risk for Crohn's disease (risk ratio, 2.53) and ulcerative colitis (risk ratio, 1.71).

"Gastroenterology consultation may be indicated when patients with psoriasis present with bowel symptoms," conclude the authors.

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