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Pitiríase rósea

Última revisión: 24 Sep 2025
Última actualización: 16 Aug 2022

Resumen

Definition

History and exam

Key diagnostic factors

  • medalhão
  • prurido
  • idade entre 10 e 35 anos
  • duração de 2 a 12 semanas
  • escama
  • localizada no tronco e nos membros superiores
  • padrão de distribuição no estilo de "árvore de natal"
  • localizada na face, palmas das mãos, solas dos pés, mucosa
  • erupção cutânea recorrente de aguda à subaguda
Full details

Other diagnostic factors

  • prazo de 2 semanas entre o medalhão e as novas lesões
  • sexo feminino
  • sintomas prodrômicos
  • alteração na pigmentação (casos graves/pele de cor escura)
Full details

Risk factors

  • idade entre 10 e 35 anos
  • sexo feminino
Full details

Diagnostic investigations

Investigations to consider

  • biópsia de pele
  • títulos de antiestreptolisina O
  • microscopia com preparação de hidróxido de potássio (KOH) ou cultura fúngica
  • reagina plasmática rápida/teste Venereal Disease Research Laboratory (VDRL)
Full details

Treatment algorithm

ACUTE

sintomas leves a moderados

doença grave ou refratária

refratário a todos os outros tratamentos

Contributors

Authors

Daniela Kroshinsky, MD, MPH
Daniela Kroshinsky

Director of Inpatient Dermatology

Associate Professor of Dermatology

Massachusetts General Hospital

Harvard School of Medicine

Boston

MA

Disclosures

DK declares that she has no competing interests.

Acknowledgements

Dr Dean S. Morrell would like to gratefully acknowledge Dr Eve Lowenstein, Dr Ladan Shahabi, and Dr John English, previous reviewers of this topic.

Peer reviewers

Dean S. Morrell, MD

Clinical Professor

Department of Dermatology

University of North Carolina

Chapel Hill

NC

Disclosures

DSM 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.

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

Chuh A, Lee A, Zawar V, et al. Pityriasis rosea - an update. Indian J Dermatol Venereol Leprol. 2005 Sep-Oct;71(5):311-5.Full text  Abstract

Chuh A, Zawar V, Lee A. Atypical presentations of pityriasis rosea: case presentations. J Eur Acad Dermatol Venereol. 2005 Jan;19(1):120-6. Abstract

Contreras-Ruiz J, Peternel S, Jiménez Gutiérrez C, et al. Interventions for pityriasis rosea. Cochrane Database Syst Rev. 2019 Oct 30;2019(10):CD005068.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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