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Cutis. 2013 Mar;91(3):148-9.

Orlistat-induced bullous leukocytoclastic vasculitis.

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  • 1Department of Dermatology and Skin Surgery, Roger Williams Medical Center, Providence, RI 02908, USA.


Cutaneous leukocytoclastic vasculitis (LCV), also known as small-vessel vasculitis, is a process thought to be related to the presence of circulating immune complexes. Leukocytoclastic vasculitis is thought to be idiopathic in up to 50% of cases, but other common causes and associated disorders include certain medications, most frequently antibiotics; infections; collagen-vascular disease; paraproteinemias; and rarely neoplasia. We report a patient with cutaneous LCV induced by orlistat, a pancreatic lipase inhibitor that works as a weight-loss agent by decreasing the absorption of dietary fat.

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