Template:Diarrhea DDX

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Infectious

  1. Viral (e.g. rotavirus)
  2. Bacterial
    1. Campylobactor
    2. Shigella
    3. Salmonella (nontyphi)
    4. E. coli
    5. E. coli 0157:H7
    6. Yersinia
    7. Vibrio cholerae
    8. Clostridium Difficile
  3. Parasitic
    1. Giardia lamblia
    2. Cryptosporidium
    3. Entamoeba histolytica
  4. Toxin
    1. Staphylococcus aureus
    2. Bacillus cereus

Noninfectious

  1. GI Bleed
  2. Appendicitis
  3. Mesenteric Ischemia
  4. Diverticulitis
  5. Adrenal Crisis
  6. Thyroid Storm
  7. Toxicologic exposures
  8. Antibiotic or drug-associated

Watery Diarrhea

  • Enterotoxigenic E. coli (most common cause of watery diarrhea)[1]
  • Norovirus (often has prominent vomiting)
  • Campylobacter
  • Non-typhoidal Salmonella
  • Enteroaggregative E. coli (EAEC)
  • Enterotoxigenic Bacteroides fragilis
  1. ↑ Marx et al. “Cholera and Gastroenteritis caused by Noncholera Vibrio Species”. Rosen’s Emergency Medicine 8th edition vol 1 pg 1245-1246.
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