Epistaxis

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Última revisión: 9 Dec 2025
Última actualización: 19 Dec 2025

Resumen

Definição

História e exame físico

Principais fatores diagnósticos

  • blood at both sides of nose
Detalhes completos

Outros fatores diagnósticos

  • 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
Detalhes completos

Fatores de risco

  • 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
Detalhes completos

Investigações diagnósticas

Primeiras investigações a serem solicitadas

  • clinical diagnosis
Detalhes completos

Investigações a serem consideradas

  • 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
Detalhes completos

Algoritmo de tratamento

Inicial

active epistaxis: initial measures

AGUDA

active epistaxis: persistent bleeding precluding identification of bleeding site

active epistaxis: bleeding site visible

CONTÍNUA

quiescent but recurrent epistaxis

Colaboradores

Consultores especialistas

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

Declarações

MRS declares she has no competing interests.

Agradecimentos

Dr Madeleine R. Schaberg would like to gratefully acknowledge Mr D. Pinder, the previous contributor to this topic.

Declarações

DP declares that he has no competing interests,

Revisores

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

Disclosures

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

Disclosures

JW declares that she 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.

References

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

Key articles

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

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

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

Reference articles

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
  • Epistaxis images
  • Differentials

    • Hemoptysis
    • Hematemesis
    More Differentials
  • Guidelines

    • Clinical practice guideline: nosebleed (epistaxis)
    • Guideline for management of idiopathic epistaxis in adults
    More Guidelines
  • Videos

    Venepuncture and phlebotomy: animated demonstration

    Insertion of an anterior nasal pack

    More videos
  • Patient information

    Nosebleeds in children

    Nosebleeds (epistaxis) in adults

    More Patient information
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