A case of escitalopram-associated collagenous colitis

The of biopsy specimens colla- gen bands in the subepithelial layer. collagenous colitis (CC). After discontinuation of escitalopram, her disappeared. some endoscopic findings of CC have been proposed, but over 80% of cases have no signifi- cant findings in many reports. Therefore, we propose that, in cases of chronic watery diarrhea, enough biopsies should be taken even if no abnormal endoscopic findings are observed.