Pneumatosis intestinalis caused by colitis in a non-immunocompromised patient.

is an obligate enteric protozoan parasite commonly associated with severe symptoms such as profound diarrhea and dehydration in the immunocompromised, particularly those living with HIV/AIDS. In the immunocompetent, is self-limited, and characterized by mild non-bloody diarrhea with associated nausea and vomiting. We present an unusual case of presumed colitis, in an immunocompetent host, characterized by anorexia and pneumoperitoneum.