Which conditions are included in the differential diagnoses of gastroenteritis?

Updated: Feb 10, 2017
  • Author: Arthur Diskin, MD; Chief Editor: Steven C Dronen, MD, FAAEM  more...
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Other conditions to consider in the differential diagnosis of gasteroenteritis include the following:

  • Various infectious etiologies

  • Pseudomembranous colitis

  • Food-borne toxigenic diarrhea

  • Toxins

  • Hormonal (vasoactive intestinal peptides)

  • Drugs (ie, sorbitol, cholinergics, caffeine)

  • Postsurgical complications

  • Radiation colitis

  • Carcinoid

  • Pediatrics - Adrenogenital/cystic fibrosis

Important considerations

It is important to recognize/diagnose the following conditions in patients:

  • Dehydration or sepsis

  • Immunocompromised patients and their potential, unusual etiologies or propensity to develop complications

  • Hemolytic-uremic syndrome in patients with E coli infection

  • Pseudomembranous colitis (C difficile)

  • Toxic megacolon

  • Appendicitis in patients who present with vomiting and diarrhea

  • Noninfectious etiology, such as ischemic bowel, bowel obstruction, or other etiologies for abdominal symptomatology

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