Last reviewed: December 2018
Last updated: January  2019

Summary

Definition

History and exam

Key diagnostic factors

  • diarrhea
  • history of travel, contact with contaminated food, or contact with infected person

Other diagnostic factors

  • abdominal pain or discomfort
  • volume depletion
  • fever
  • nausea/vomiting
  • anorexia
  • lethargy

Risk factors

  • contaminated food products
  • travel
  • poor hygiene
  • extremes of age (<5 years and >60 years)
  • contact history
  • immunocompromised state
  • contact with infected animals

Diagnostic investigations

1st investigations to order

  • stool cultures
  • CBC
  • renal function and electrolytes
Full details

Investigations to consider

  • stool serotyping/polymerase chain reaction
  • blood cultures
  • inflammatory markers (CRP and/or erythrocyte sedimentation rate)
  • abdominal x-ray
  • endoscopy
  • abdominal CT scan
Full details

Treatment algorithm

Contributors

Authors VIEW ALL

Professor of Medicine

Rosalind Franklin University Medical School

North Chicago

Associate Director for Research

Internal Medicine Residency

Advocate Lutheran General Hospital

Park Ridge

IL

Adjunct Professor of Pediatric Gastroenterology

University of Miami Miller Medical School

Miami

FL

Disclosures

EDE is a consultant for Pediatric Pharmaceuticals, Inc.

Dr Eli D. Ehrenpreis would like to gratefully acknowledge Dr Alexandra Kent and Professor Satis Keshav, the previous contributors to this topic.

Peer reviewers VIEW ALL

Consultant Gastroenterologist

St George’s Hospital

London

UK

Disclosures

AP declares that he has no competing interests.

Research Fellow and Medical Microbiologist

Wellcome Trust Sanger Institute

Department of Microbiology

Addenbrooke's Hospital

Cambridge

UK

Disclosures

FC declares that she has no competing interests.

Voluntary Assistant Professor of Medicine

Digestive Health & Nutrition Center of Ashland

Ashland

KY

Disclosures

HEM declares that he has no competing interests.

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