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Amebiasis, Emergency Medicine

Ben Osborne and Joel C. Miller Reviewed 06/2017



  • Invasive parasitic infection with both intestinal and extraintestinal manifestations

  • Endemic worldwide, especially areas with poor sanitation

  • Populations at risk:

    • Travelers to, citizens...


Signs and Symptoms

  • Intestinal disease:

    • Onset 1 wk to 1 mo postexposure

    • Acute diarrhea (nondysenteric colitis):

      • 80% of cases

      • Afebrile

      • Occult blood in stool

      • Benign abdominal exam

    • Classic dysentery:

      • Blo...


Initial Stabilization/Therapy

  • Airway, breathing, circulation (ABCs)

  • IV 0.9% NS if signs of significant shock

Ed Treatment/Procedures

  • Oral fluids if mild; IV if moderate/severe dehydration

  • Avoid a...



Admission Criteria

  • Shock, sepsis, or peritonitis

  • Hypotension or tachycardia unresponsive to IV fluids

  • Children with >10% dehydration

  • Severe electrolyte imbalance

  • Patients unable to ...

Pearls and Pitfalls

Additional Reading

  • Chavez-Tapia  NC, Hernandez-Calleros  J, Tellez-Avila  FI, et al. Image-guided percutaneous procedure plus metronidazole versus metronidazole alone for uncomplicated amoebic liver a...



  • 006.0 Acute amebic dysentery without mention of abscess

  • 006.1 Chronic intestinal amebiasis without mention of abscess

  • 006.9 Amebiasis, unspecified

  • 006.8 Amebic infection of other sites

  • 006.2 Ame...

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