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Pityriasis versicolor

Última revisão: 20 Aug 2025
Última atualização: 23 Oct 2024

Resumo

Definição

História e exame físico

Principais fatores diagnósticos

  • presence of risk factors
  • lack of pruritus or pain
  • dyspigmentation
  • macules or patches
  • seborrhoeic distribution
  • fine overlying scale
Detalhes completos

Outros fatores diagnósticos

  • yellow fluorescence under Wood lamp examination
Detalhes completos

Fatores de risco

  • high ambient temperature and humidity
  • adolescent and young adult age
  • hyperhidrosis
  • systemic corticosteroid or other immunosuppressant use
  • participation in athletics
  • greasy skin
  • family history of PV
  • malnutrition
  • use of oral contraceptives
  • HIV infection and other immunosuppressive conditions
  • use of occlusive ointments or creams
Detalhes completos

Investigações diagnósticas

Primeiras investigações a serem solicitadas

  • microscopical examination with potassium hydroxide (KOH) preparation
Detalhes completos

Investigações a serem consideradas

  • skin biopsy
  • culture
  • Gram stain
Detalhes completos

Algoritmo de tratamento

AGUDA

non-pregnant

pregnant

CONTÍNUA

recurrent disease after successful pathogen eradication

Colaboradores

Autores

Brian L. Swick, MD
Brian L. Swick

Clinical Professor

Departments of Dermatology and Pathology

University of Iowa

Iowa City

IA

Declarações

BLS declares that he has no competing interests.

Revisores

Nnenna Agim, MD, FAAD

Associate Professor of Dermatology

University of Texas Southwestern

Dallas

TX

Declarações

NA declares that she has no competing interests.

Helen Goodyear, MBChB, MRCP, FRCPCH, MD, MMed

Consultant Paediatrician

Heartlands Hospital

Birmingham

UK

Declarações

HG 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.

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

Schwartz RA. Superficial fungal infections. Lancet. 2004 Sep 25-Oct 1;364(9440):1173-82. Resumo

Gupta AK, Bluhm R, Summerbell R. Pityriasis versicolor. J Eur Acad Dermatol Venereol. 2002 Jan;16(1):19-33. Resumo

Drake LA, Dinehart SM, Farmer ER, et al. Guidelines of care for superficial mycotic infections of the skin: pityriasis (tinea) versicolor. Guidelines/Outcomes Committee. American Academy of Dermatology. J Am Acad Dermatol. 1996 Feb;34(2 Pt 1):287-9.

Artigos de referência

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