Last reviewed: November 2017
Last updated: September  2016

Summary

Definition

History and exam

Key diagnostic factors

  • diarrhoea
  • frequent belching

Other diagnostic factors

  • abdominal bloating and discomfort
  • malaise
  • weight loss
  • nausea and vomiting

Risk factors

  • contaminated water/food
  • domestic animals living in or around the house
  • hypogammaglobulinaemia
  • young age
  • male gender
  • day-care use
  • men having sex with men

Diagnostic investigations

1st investigations to order

  • FBC
  • stool microscopy
  • stool antigen detection; ELISA and direct fluorescence antibody (DFA)
  • ImmunoCard STAT!
Full details

Investigations to consider

  • string test (EnteroTest)
  • duodenal aspirates and biopsies
  • PCR of stool sample
Full details

Treatment algorithm

Contributors

Authors VIEW ALL

Chief Hospitalist

Sound Physicians

Memorial Hermann Southwest Hospital

Houston

TX

Disclosures

MW declares that he has no competing interests.

Infectious Diseases Attending

Seton Medical Center Williamson

Round Rock

TX

Disclosures

FAK declares that he has no competing interests.

Peer reviewers VIEW ALL

Faculty of Medicine

University of Tirana

Tirana

Albania

Disclosures

ZN declares that she has no competing interests.

Professor of Medicine and Immunobiology

University of Arizona

Tucson

AZ

Disclosures

RA declares that he has no competing interests.

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