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Síndrome serotoninérgica

Última revisão: 20 Aug 2025
Última atualização: 07 Oct 2022

Resumo

Definition

History and exam

Key diagnostic factors

  • presença de fatores de risco
  • clônus
  • hiper-reflexia
Full details

Other diagnostic factors

  • ansiedade
  • agitação
  • confusão
  • tremores, espasmos musculares
  • sudorese
  • cefaleia
  • taquicardia
  • hipertonia/rigidez
  • diaforese
  • rubor
  • pupilas dilatadas
  • hipertermia
  • mioclonia
  • estimulação
Full details

Risk factors

  • exposição a um medicamento serotoninérgico
  • exposição a dois ou mais medicamentos serotoninérgicos
Full details

Diagnostic investigations

1st investigations to order

  • diagnóstico clínico
Full details

Investigations to consider

  • Hemograma completo
  • creatina fosfoquinase
  • eletrocardiograma (ECG)
  • hemoculturas
  • punção lombar
  • tomografia computadorizada (TC) ou ressonância nuclear magnética (RNM) do crânio
Full details

Treatment algorithm

ACUTE

toxicidade serotoninérgica grave

toxicidade serotoninérgica moderada

toxicidade serotoninérgica leve

Contributors

Authors

Geoffrey Isbister, BSc, MBBS, FACEM, MD

Clinical Toxicologist

Calvary Mater Newcastle

Associate Professor

University of Newcastle

Newcastle

Australia

Disclosures

GI is an author of several references cited in this monograph.

Peer reviewers

Laura Tormoehlen, MD, FAAN, FACMT

Neurologist and Medical Toxicologist

Associate Professor of Clinical Neurology and Emergency Medicine

Indiana University

Bloomington

IN

Disclosures

LT has been compensated as an expert witness for cases involving serotonergic drugs.

Daniel E Brooks, MD

Medical Director

Banner Poison and Drug Information Center

Phoenix

AZ

Disclosures

DEB declares that he has no competing interests.

Karl Marlowe, MbChB, MSc, PgC-Ed, PgD-CBT, MRCPsych

Consultant Psychiatrist

East London NHS Foundation Trust

London

UK

Declarações

KM declares that he has no competing interests.

Theodore A. Stern, MD

Chief

Psychiatric Consultation Service

Massachusetts General Hospital

Professor of Psychiatry

Harvard Medical School

Boston

MA

Declarações

TAS declares that he has no competing interests.

Paul M. Gahlinger, MD

Adjunct Professor

Department of Family and Preventive Medicine

University of Utah

Salt Lake City

UT

Declarações

PMG declares that he has no competing interests.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

Referências

Nossas equipes internas de editoria e de evidências trabalham em conjunto com colaboradores internacionais especializados e pares revisores para garantir que forneçamos acesso às informações o mais clinicamente relevantes possível.

Principais artigos

Buckley NA, Dawson AH, Isbister GK. Serotonin syndrome. BMJ. 2014;348:g1626 Resumo

Isbister GK, Buckley NA. The pathophysiology of serotonin toxicity in animals and humans: implications for diagnosis and treatment. Clin Neuropharmacol. 2005;28:205-214. Resumo

Dunkley EJ, Isbister GK, Sibbritt D, et al. The Hunter Serotonin Toxicity Criteria: simple and accurate diagnostic decision rules for serotonin toxicity. QJM. 2003;96:635-642.Texto completo  Resumo

Chiew AL, Buckley NA. The serotonin toxidrome: shortfalls of current diagnostic criteria for related syndromes. Clin Toxicol (Phila). 2022 Feb;60(2):143-58. Resumo

Artigos de referência

Uma lista completa das fontes referenciadas neste tópico está disponível para os usuários com acesso total ao BMJ Best Practice.
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