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Pitiríase versicolor

Last reviewed: 29 Sep 2025
Last updated: 23 Oct 2024

Summary

Definition

History and exam

Key diagnostic factors

  • presença de fatores de risco
  • ausência de prurido ou dor
  • despigmentação
  • máculas ou manchas
  • distribuição seborreica
  • escama superficial fina
Full details

Other diagnostic factors

  • fluorescência amarela no exame com lâmpada de Wood
Full details

Risk factors

  • temperatura ambiente alta e umidade
  • adolescência e idade adulta jovem
  • hiperidrose
  • uso de corticosteroides sistêmicos ou de outros imunossupressores
  • participação em esportes
  • pele seborreica
  • história familiar de PV
  • desnutrição
  • uso de contraceptivos orais
  • infecção por vírus da imunodeficiência humana (HIV) e outras doenças imunossupressoras
  • uso de cremes e pomadas oclusivos
Full details

Diagnostic investigations

1st investigations to order

  • exame microscópico com solução de hidróxido de potássio (KOH)
Full details

Investigations to consider

  • biópsia de pele
  • cultura
  • coloração de Gram
Full details

Treatment algorithm

ACUTE

não gestante

gestante

ONGOING

doença recorrente após erradicação bem-sucedida do patógeno

Contributors

Authors

Brian L. Swick, MD
Brian L. Swick

Clinical Professor

Departments of Dermatology and Pathology

University of Iowa

Iowa City

IA

Disclosures

BLS declares that he has no competing interests.

Peer reviewers

Nnenna Agim, MD, FAAD

Associate Professor of Dermatology

University of Texas Southwestern

Dallas

TX

Disclosures

NA declares that she has no competing interests.

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

Consultant Paediatrician

Heartlands Hospital

Birmingham

UK

Disclosures

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.

References

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Key articles

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

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

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.

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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