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Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
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Related Experiment Video

Updated: Jul 26, 2025

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
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Alcohol withdrawal syndrome.

Richard L Pullen1

  • 1Richard Pullen is a professor of nursing and RN-to-BSN program at Texas Tech University. He is also a member of the Nursing2023 editorial board.

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|June 21, 2023
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Summary
This summary is machine-generated.

Alcohol withdrawal syndrome (AWS) affects half of individuals with alcohol use disorder upon cessation. This review covers AWS pathophysiology, symptoms, and treatment strategies.

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Area of Science:

  • Neuroscience
  • Clinical Medicine
  • Pharmacology

Background:

  • Alcohol use disorder (AUD) is a prevalent chronic relapsing condition.
  • Alcohol withdrawal syndrome (AWS) is a common complication following abrupt alcohol cessation in individuals with AUD.
  • AWS can range in severity and lead to significant morbidity.

Purpose of the Study:

  • To provide a comprehensive overview of the pathophysiology of AWS.
  • To detail the diverse clinical manifestations of AWS.
  • To outline current evidence-based management strategies for AWS.

Main Methods:

  • Literature review of pathophysiology, clinical presentation, and management of AWS.
  • Synthesis of information from peer-reviewed articles and clinical guidelines.
  • Focus on neurobiological mechanisms and pharmacological interventions.

Main Results:

  • AWS results from neuroadaptation to chronic alcohol exposure, leading to hyperexcitability.
  • Clinical features include autonomic hyperactivity, tremors, anxiety, insomnia, and potentially seizures or delirium tremens.
  • Management involves supportive care, benzodiazepines for symptom control, and adjunctive therapies.

Conclusions:

  • Understanding AWS pathophysiology is crucial for effective clinical management.
  • Timely and appropriate intervention can mitigate the severity and complications of AWS.
  • Multifaceted management approaches are essential for patient recovery.