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.

Infección gripal

Última revisão: 13 Jul 2025
Última atualização: 19 Feb 2025

Resumo

Definição

História e exame físico

Principais fatores diagnósticos

  • estación invernal
  • brote actual de gripe
  • falta de vacunación
  • fiebre con tos
Detalhes completos

Outros fatores diagnósticos

  • dolor de garganta
  • linfadenopatía cervical
  • disnea
Detalhes completos

Fatores de risco

  • edad ≥65 años
  • edad de 6 a 59 meses
  • afecciones cardiovasculares o respiratorias crónicas
  • diabetes
  • hemoglobinopatía
  • estado inmunocomprometido
  • enfermedad renal crónica (ERC)
  • embarazo
  • cuidadores y personas con las que tengan contacto en el hogar de grupos de alto riesgo
  • profesionales de salud
Detalhes completos

Investigações diagnósticas

Primeiras investigações a serem solicitadas

  • diagnóstico clínico
Detalhes completos

Investigações a serem consideradas

  • ensayos moleculares
  • pruebas de detección de antígenos
  • cultivo viral
  • serología
  • radiografía de tórax
Detalhes completos

Algoritmo de tratamento

Inicial

exposición a la gripe en poblaciones de riesgo

AGUDA

adultos

niños

Colaboradores

Autores

Kyle Eggleton, MBChB PhD FRNZCGP(Dist)

Associate Dean Rural

Department of General Practice and Primary Health Care

University of Auckland

Auckland

New Zealand

Declarações

KE declares that he has no competing interests.

Rachel Roskvist, MBChB, FRNZCGP, MHSc

Senior Lecturer

Department of General Practice and Primary Health Care

University of Auckland

Auckland

New Zealand

Declarações

RR declares that she has no competing interests.

Bruce Arroll, MBChB PhD FRNZCGP

Department of General Practice and Primary Health Care

University of Auckland

Auckland

New Zealand

Declarações

BA declares that he has no competing interests.

Acknowledgements

Dr Kyle Eggleton, Dr Rachel Roskvist, and Professor Bruce Arroll would like to gratefully acknowledge Dr Cristine Radojicic, a previous contributor to this topic.

Disclosures

CR declares that she is on Advisory boards for CSL Behring and Speakers Bureau Biocryst.

Peer reviewers

Waleed Javaid, MD, FACP, FIDSA

Associate Professor

Medical Director of Infection Control

Infectious Disease

Department of Medicine

SUNY Upstate Medical University

Syracuse

NY

Disclosures

WJ declares that he has no competing interests.

Rachel L. Miller, MD, FAAAAI

Associate Professor of Clinical Medicine and Environmental Health Sciences

Columbia University College of Physicians and Surgeons

New York

NY

Disclosures

RLM declares that she has no competing interests.

Mark Sands, MD, FAAAAI

Chief

SUNY Buffalo School of Medicine

Division Allergy and Immunology

Buffalo

NY

Disclosures

MS declares that he has no competing interests.

An De Sutter, MD, PhD

Associate Professor

Department of General Practice and Primary Health Care

Ghent University

Ghent

Belgium

Disclosures

ADS declares that she has no competing interests.

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

Uyeki TM, Bernstein HH, Bradley JS, et al. Clinical practice guidelines by the Infectious Diseases Society of America: 2018 update on diagnosis, treatment, chemoprophylaxis, and institutional outbreak management of seasonal influenza. Clin Infect Dis. 2019 Mar 5;68(6):e1-47.Full text  Abstract

Centers for Disease Control and Prevention. Influenza (flu). Feb 2024 [internet publication].Full text

Centers for Disease Control and Prevention. Morbidity and Mortality Weekly Report (MMWR): prevention and control of seasonal influenza with vaccines: recommendations of the advisory committee on immunization practices — United States, 2023–24 Influenza Season. Aug 2023 [internet publication].Full text

UK Health Security Agency. Annual flu programme. Mar 2024 [internet publication].Full text

Centers for Disease Control and Prevention. Child and adolescent immunization schedule: recommendations for ages 18 years or younger, United States, 2024. Nov 2023 [internet publication].Full text

Centers for Disease Control and Prevention. Adult immunization schedule by age: recommendations for ages 19 years or older, United States, 2024. Nov 2023 [internet publication].Full text

Centers for Disease Control and Prevention. Influenza antiviral medications: summary for clinicians. Dec 2023 [internet publication].Full text

Reference articles

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

    • Enfermedad de coronavirus 2019 (COVID-19)
    • Neumonía bacteriana
    • Infección por rinovirus
    More Differentials
  • Guidelines

    • Prevention and control of seasonal influenza with vaccines: recommendations of the Advisory Committee on Immunization Practices - United States, 2023-24 influenza season
    • Canadian immunization guide chapter on influenza and statement on seasonal influenza vaccine for 2022-2023
    More Guidelines
  • Patient information

    Antibióticos: Qué necesita saber

    More Patient information
  • padlock-lockedLog in or subscribe to access all of BMJ Best Practice

Use of this content is subject to our disclaimer