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Infecção por Mycoplasma pneumoniae

Last reviewed: 18 Aug 2025
Last updated: 25 Oct 2022

Summary

Definition

History and exam

Key diagnostic factors

  • presença de fatores de risco
  • tosse persistente
  • tosse seca
  • sintomas prolongados
  • febre
  • ruídos adventícios no exame físico
  • exposição a uma pessoa com infecção do trato respiratório
Full details

Other diagnostic factors

  • comprometimento da garganta
  • erupção cutânea
  • cefaleia
  • miringite bolhosa
  • hepatite
Full details

Risk factors

  • cenários comunitários de contato próximo
  • exposição recente
  • tabagismo
  • idade <30 anos
  • imunossupressão
  • asplenia
Full details

Diagnostic tests

1st tests to order

  • contagem leucocitária
  • hemoglobina
  • TFHs
  • oximetria de pulso
  • ureia e eletrólitos
  • proteína C-reativa
  • radiografia torácica
Full details

Tests to consider

  • teste de amplificação de ácido nucleico (NAAT)
  • sorologia
  • cultura±/coloração de Gram
Full details

Emerging tests

  • teste de antígenos

Treatment algorithm

ACUTE

com pneumonia

Contributors

Authors

Ran Nir-Paz, MD
Ran Nir-Paz

Professor in Medicine and Clinical Microbiology

Department of Clinical Microbiology and Infectious Diseases

Hadassah-Hebrew University Medical Center

Jerusalem

Israel

Disclosures

RNP declares that he has no competing interests. RNP is an author of several references cited in this topic.

Takeshi Saraya, MD, PhD

Associate Professor

Department of Respiratory Medicine

Kyorin University School of Medicine

Tokyo

Japan

Disclosures

TS declares that he has no competing interests.

Peer reviewers

Enno Jacobs, MD

Director

Institute for Medical Microbiology and Hygiene

Dresden

Germany

Disclosures

EJ declares that he has no competing interests.

Laura J. Christie, MD

Research Scientist

Pediatric Infectious Disease

California Department of Public Health

Viral and Rickettsial Disease Laboratory

Richmond

CA

Disclosures

LC 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

British Thoracic Society. BTS guidelines for the management of community acquired pneumonia in adults: update 2009. Jan 2015 [internet publication].Full text

Metlay JP, Waterer GW, Long AC, et al. Diagnosis and treatment of adults with community-acquired pneumonia. An official clinical practice guideline of the American Thoracic Society and Infectious Diseases Society of America. Am J Respir Crit Care Med. 2019 Oct 1;200(7):e45-67.Full text  Abstract

Reference articles

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