Infection by Leishmania spp. in patients diagnosed with inflammatory bowel disease (IBD) is rare. Considered endemic in the Mediterranean basin, its manifestations are almost exclusive of patients with impaired cellular immunity. Most of the evidence is found through case reports; without guidelines for its management in patients with IBD. In this study we present three cases of Leishmania infection in patients with IBD that lead us to carry out a review of the current literature. Immunosuppressive treatment contributes to this infection, which presents atypically, with a challenging diagnosis. Initial systemic treatment with withdrawal of the immunosuppressant drug seems to be the best therapeutic strategy. Studies are needed in endemic areas to determine its incidence in IBD patients, as well as its possible association with immunosuppressive therapy. The need for serological screening prior introduction of immunosuppressive drugs could be suggested.
Keywords: Colitis ulcerosa; Crohn's disease; Enfermedad de Crohn; Enfermedad inflamatoria intestinal; Inflammatory bowel disease; Leishmaniasis; Ulcerative colitis.
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