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Pediculose capilar

Última revisión: 7 Aug 2025
Última actualización: 23 Apr 2025

Resumen

Definición

Anamnesis y examen

Principales factores de diagnóstico

  • presença de fatores de risco
  • prurido do couro cabeludo
  • ninfa ou piolho adulto vivo
  • ovos visíveis na haste capilar a até 1 cm de distância do couro cabeludo
Todos los datos

Otros factores de diagnóstico

  • pequenas pápulas vermelhas sob a linha do cabelo da nuca
  • linfadenopatia
  • eritema com crosta cor de mel no couro cabeludo
Todos los datos

Factores de riesgo

  • 3-12 anos de idade
  • sexo feminino
  • contato próximo com uma pessoa infectada
  • superpopulação ou condições de moradia em locais de aglomeração
  • condição socioeconômica baixa
  • higiene precária
  • contato com roupas, utensílios de cabelo e roupas de cama contaminados
Todos los datos

Pruebas diagnósticas

Primeras pruebas diagnósticas para solicitar

  • nenhum exame é necessário
Todos los datos

Algoritmo de tratamiento

Agudo

crianças com <2 meses de idade

crianças com idade ≥2 meses e <2 anos

crianças com idade ≥2 anos e adultos

Colaboradores

Autores

Aicha Salhi, MD

Professor of Dermatology

Faculty of Medicine

University of Algiers

Algeria

Divulgaciones

AS declares that she has no competing interests.

Agradecimientos

Professor Aicha Salhi would like to gratefully acknowledge Professor Hermann Feldmeier and Professor Barbara L. Frankowski, previous contributors to this topic.

Divulgaciones

HF has received consultant and lecture fees from Pohl-Boskamp GmbH, and Co KG, Hohenlockstedt, Germany, and Almirall Hermal GmbH, Reinbek, Germany; both companies produce various anti-head louse compounds. He is also an author of several references cited in this topic. BLF is an author of a reference cited in this topic.

Revisores por pares

Richard J. Pollack, PhD

Research Associate

Laboratory of Public Health Entomology

Department of Immunology and Infectious Diseases

Harvard School of Public Health

Boston

MA

Divulgaciones

RJP has received a research donation by Taro Pharmaceuticals (manufacturer of Ovide) and has been compensated as an independent consultant for scientific review services by Topaz Pharmaceuticals, Hatchtech, and ParaPro, each developing products for the US market. RJP holds no financial interest in any of these companies or their products. RJP is an author of several references cited in this topic.

Ian F. Burgess, MSc, MPhil

Professor

Director

Medical Entomology Centre

University of Cambridge

Cambridge

UK

Divulgaciones

IFB has been a consultant to various manufacturers of pharmaceutical products, alternative therapies, and combs for treating louse infections. IFB is an author of a number of references cited in this topic.

Kosta Y. Mumcuoglu, PhD

Professor

Department of Parasitology

Hebrew University-Hadassah Medical School

Jerusalem

Israel

Divulgaciones

KYM is an author of several references cited in this topic.

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.

Referencias

Nuestros equipos internos de evidencia y editoriales colaboran con colaboradores expertos internacionales y revisores pares para garantizar que brindemos acceso a la información más clínicamente relevante posible.

Artículos principales

American Academy of Pediatrics, Nolt D, Moore S, et al. Head Lice. Pediatrics. 2022 Oct 1;150(4):e2022059282.Texto completo  Resumen

Cummings C, Finlay JC, MacDonald NE et al. Head lice infestations: a clinical update. Paediatr Child Health. 2024 Jan 11;23(1):e18-24.Texto completo

Artículos de referencia

Una lista completa de las fuentes a las que se hace referencia en este tema está disponible para los usuarios con acceso a todo BMJ Best Practice.

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