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Last reviewed: 13 Mar 2025
Last updated: 13 Jan 2023

Summary

Definition

History and exam

Key diagnostic factors

  • risk factors
  • alcohol dependence
  • cessation or reduction in alcohol intake
  • at least one feature of alcohol withdrawal
  • seizures
  • alcohol withdrawal delirium
  • agitation
  • coarse tremor
  • hypertension or hypotension
  • fever or hypothermia
  • hyperglycaemia or hypoglycaemia

Other diagnostic factors

  • anxiety
  • nausea and vomiting
  • autonomic dysfunction
  • insomnia
  • craving for alcohol
  • headache
  • anorexia
  • depression

Risk factors

  • history of alcohol withdrawal syndrome (AWS) and alcohol withdrawal delirium
  • abrupt withdrawal of alcohol

Diagnostic investigations

1st investigations to order

  • venous blood gas
  • blood glucose
  • full blood count
  • urea and electrolytes
  • liver function tests
  • bone profile
  • coagulation studies

Investigations to consider

  • blood cultures
  • CT head
  • chest x-ray
  • ECG
  • amylase/lipase
  • ammonia
  • lumbar puncture
  • electroencephalography (EEG)
  • blood-borne virus screen

Treatment algorithm

Contributors

Expert advisers

Alexander Alexiou, MBBS, BSc, DCH, FRCEM, Dip IMC, RCSEd

Emergency Medicine Consultant

Barts Health NHS Trust

Physician Response Unit Consultant

London’s Air Ambulance

Royal London Hospital

London

UK

Disclosures

AA declares that he has no competing interests.

Thomas King

Disclosures

TK declares that he has no competing interests.

Acknowledgements

BMJ Best Practice would like to gratefully acknowledge the previous team of expert contributors, whose work has been retained in parts of the content:

Hong K. Kim, MD, MPH

Assistant Professor

Department of Emergency Medicine

University of Maryland School of Medicine

Baltimore

MD

Nicholas J. Connors, MD

Associate Professor

Department of Emergency Medicine

Medical University of South Carolina

Charleston

SC

Disclosures

HKK and NJC declare that they have no competing interests.

Peer reviewers

Nigel Langford

Consultant Acute/General Medicine

University Hospitals of Leicester NHS Trust

Honorary Senior Lecturer

Department of Medical Education

University of Leicester

Leicester

UK

Disclosures

NL has worked as an clinical pharmacologist expert witness at criminal, civil, family, and coroner's courts; given lectures on alcohol withdrawal at undergraduate and postgraduate events; published various articles and written book chapters.

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