When viewing this topic in a different language, you may notice some differences in the way the content is structured, but it still reflects the latest evidence-based guidance.

Epistaxis

Last reviewed: 3 Nov 2025
Last updated: 17 Oct 2025

Summary

Definition

History and exam

Key diagnostic factors

  • blood at both sides of nose
Full details

Other diagnostic factors

  • bleeding starting at the nares
  • recurrent epistaxis
  • septal deviation
  • tachycardia
  • bleeding starting in the throat
  • hypotension
  • syncope
  • dizziness or lightheadedness
  • pallor
  • hypoesthesia and pain in the distribution of the second branch of the trigeminal nerve
Full details

Risk factors

  • dry weather and low humidity
  • prior nasal or sinus surgery
  • nasal cannula oxygen or continuous positive airways pressure (CPAP)
  • nasal and other facial fracture
  • other nasal trauma
  • use of intranasal drug formulations or illicit drugs
  • primary coagulopathy (e.g., hemophilia)
  • use of certain systemic drugs
  • familial hereditary hemorrhagic telangiectasia
  • juvenile nasal angiofibroma
  • chronic kidney or liver disease
  • septal deviation
  • nasal foreign body
  • environmental irritants
  • barotrauma
  • ulceration secondary to infection (e.g., herpes zoster, or bacterial infection)
  • forceful coughing
  • sinonasal neoplasm
  • chronic granulomatous disease
Full details

Diagnostic tests

1st tests to order

  • clinical diagnosis
Full details

Tests to consider

  • CBC
  • coagulation studies (prothrombin time, activated partial thromboplastin time, platelet function tests)
  • BUN, serum creatinine
  • LFTs
  • nasal endoscopy and nasopharyngoscopy
  • autoimmune screen/autoantibodies
  • CT scan of paranasal sinuses
  • MRI of head
  • internal and external carotid angiography
  • plain nasal or sinus x-ray
Full details

Treatment algorithm

INITIAL

active epistaxis: initial measures

ACUTE

active epistaxis: persistent bleeding precluding identification of bleeding site

active epistaxis: bleeding site visible

ONGOING

quiescent but recurrent epistaxis

Contributors

Authors

Madeleine R. Schaberg, MD, MPH, FACS

Director of Endoscopic Sinus, Rhinology, and Skullbase Surgery

The New York Eye and Ear Infirmary of Mount Sinai

Department of Otolaryngology, Head and Neck Surgery

Assistant Professor

Icahn School of Medicine at Mount Sinai

New York City

NY

Disclosures

MS declares she has no competing interests.

Acknowledgements

Dr Madeleine R. Schaberg would like to gratefully acknowledge Mr D. Pinder, the previous contributor to this topic. DP declares that he has no competing interests.

Peer reviewers

Nikita Chapurin, MD, MHS

​Assistant Professor

Rhinology, Sinus and Skull Base Surgery

Department of Otolaryngology

University of Florida

Gainesville

FL

Declarações

NC declares that he has no competing interests.

Ethan Cumbler, MD

Assistant Professor

Department of Internal Medicine

University of Colorado Health Sciences Center

Denver

CO

Declarações

EC declares that he has no competing interests.

Samuel J. Stratton, MD, MPH

Professor

UCLA School of Public Health and David Geffen School of Medicine

Los Angeles

Medical Director

Health Disaster Management/Emergency Medical Services

Orange County Health Care Agency

Santa Ana

CA

Declarações

SJS declares that he has no competing interests.

Janet Wilson, BSc, MD, FRCSEd, FRCSEng

Professor of Otolaryngology - Head and Neck Surgery

Newcastle University

Honorary Consultant Otolaryngologist

Freeman Hospital

Newcastle-Upon-Tyne

UK

Declarações

JW declares that she has no competing interests.

Créditos aos pareceristas

Os tópicos do BMJ Best Practice são constantemente atualizados, seguindo os desenvolvimentos das evidências e das diretrizes. Os pareceristas aqui listados revisaram o conteúdo pelo menos uma vez durante a história do tópico.

Declarações

As afiliações e declarações dos pareceristas referem--se ao momento da revisão.

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

Womack JP, Kropa J, Jimenez Stabile M. Epistaxis: outpatient management. Am Fam Physician. 2018 Aug 15;98(4):240-5.Texto completo  Resumo

Tunkel DE, Anne S, Payne SC, et al. Clinical practice guideline: nosebleed (epistaxis). Otolaryngol Head Neck Surg. 2020 Jan;162(1 suppl):S1-38.Texto completo  Resumo

Seikaly H. Epistaxis. N Engl J Med. 2021 Mar 11;384(10):944-51.

Artigos de referência

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

    • Hemoptysis
    • Hematemesis
    Mais Diagnósticos diferenciais
  • Diretrizes

    • Clinical practice guideline: nosebleed (epistaxis)
    • Management of idiopathic epistaxis in adults
    Mais Diretrizes
  • Folhetos informativos para os pacientes

    Nosebleeds in children

    Nosebleeds (epistaxis) in adults

    Mais Folhetos informativos para os pacientes
  • Videos

    Venepuncture and phlebotomy: animated demonstration

    Insertion of an anterior nasal pack

    Mais vídeos
  • padlock-lockedConectar-se ou assinar para acessar todo o BMJ Best Practice

O uso deste conteúdo está sujeito ao nosso aviso legal