ID

Yersinia enterocolitica

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Yersinia enterocolitica

  • See Also
  1. Diarrhea
  2. Infectious Diarrhea
  • Epidemiology
  1. Natural Hosts: Wild and domestic mammals, birds
  2. Waterborne Illness source
    1. Natural waters in which E. coli is not present
  • Pathophysiology
  1. Grows at refrigerator Temperatures
  2. Causes Mesenteric Lymphadenitis (mimics Appendicitis)
  • Differential Diagnosis
  1. See Acute Diarrhea
  2. Appendicitis
  • Labs
  1. Stool Culture on selective growth medium
  • Management
  1. Indications
    1. Severe disease
    2. Bacteremia
    3. Antibiotics not needed in mild disease or uncomplicated enteritis
  2. Severe disease - first line regimen (combined Doxycycline with Aminoglycoside)
    1. Doxycycline 100 mg IV twice daily AND
    2. Gentamicin or Tobramycin 5 mg/kg/day every 24 hours
  3. Severe disease - alternative regimens
    1. Trimethoprim-Sulfamethoxazole (TMP-SMZ) DS 160/180 mg twice daily for 5 days
    2. Ciprofloxacin 500 mg orally twice daily for 7-10 days
  4. References
    1. Gilbert (2013) Sanford Guide