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
Other diagnostic factors
- fluorescência amarela no exame com lâmpada de Wood
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
Diagnostic investigations
1st investigations to order
- exame microscópico com solução de hidróxido de potássio (KOH)
Investigations to consider
- biópsia de pele
- cultura
- coloração de Gram
Treatment algorithm
não gestante
gestante
doença recorrente após erradicação bem-sucedida do patógeno
Contributors
Authors
Brian L. Swick, MD

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
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.

Differentials
- Vitiligo
- Tinha do corpo
- Dermatite seborreica
More DifferentialsGuidelines
- Guidelines of care for superficial mycotic infections of the skin: pityriasis (tinea) versicolor
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