The study is a prospective, observational, open-label, non-placebo, controlled study to measure the effects of Lubiprostone on CIC in nursing home residents. All clinical sites will follow a common protocol using standardizes definitions in which eligible patients will be asked to participate in the proposed study. During the course of the study, various selected parameters will be measured and compared to establish the clinical efficacy of Lubiprostone in the treatment of CIC.