Viral gastroenteritis
Bacterial gastroenteritis
Campylobacter infections
Clostridium difficile colitis
Colon cancer
Crohn disease
Cryptosporidiosis
Mycobacterium Avium-Intracellulare
Toxic megacolon
Ulcerative colitis
Ischemic bowel disease (e.g. mesenteric ischemia, strangulated hernia)
Pseudomembranous enterocolitis
Lymphoma
Ileocecal amebiasis
Sarcoidosis
Yersinia
Campylobacter<unk>  esophagitis<unk> <unk>  pneumonia<unk>  retinitis<unk>  neurologic disease
CMV colitis
Viral gastroenteritis
HIV diarrhea
Bacterial gastroenteritis
Stercoral colitis
Campylobacter infections
Ulcerative colitis
Clostridium difficile colitis