Clostridium Infections [Disease/Finding] Enterocolitis [Disease/Finding] Enterocolitis, Pseudomembranous [Disease/Finding] C0014358 Enterocolitis, Pseudomembranous C2398 Pseudomembranous Enterocolitis Enterocolitis, Pseudomembranous 1025680 D004761 N0000001110 M0007479 397683000 An acute inflammation of the INTESTINAL MUCOSA that is characterized by the presence of pseudomembranes or plaques in the SMALL INTESTINE (pseudomembranous enteritis) and the LARGE INTESTINE (pseudomembranous colitis). It is commonly associated with antibiotic therapy and CLOSTRIDIUM DIFFICILE colonization.