Last reviewed: November 2017
Last updated: January  2017

Summary

Definition

History and exam

Key diagnostic factors

  • diarrhoea
  • hx 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
  • immunocompromise
  • contact with infected animals

Diagnostic investigations

1st investigations to order

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

Investigations to consider

  • stool serotyping/PCR
  • blood cultures
  • inflammatory markers (CRP and/or ESR)
  • abdominal x-ray
  • endoscopy
  • abdominal CT scan
Full details

Treatment algorithm

Contributors

Authors VIEW ALL

Specialist Registrar in Gastroenterology

St Mary's Hospital

London

UK

Disclosures

AK declares that she has no competing interests.

Consultant Gastroenterologist

Department of Gastroenterology

John Radcliffe Hospital

Oxford

UK

Disclosures

SK declares that he has no competing interests.

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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