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Atopic dermatitis

Last reviewed: 17 Oct 2025
Last updated: 23 Oct 2025

Summary

Definition

History and exam

Key diagnostic factors

  • pruritus
  • xerosis (dry skin)
  • sites of skin involvement
Full details

Other diagnostic factors

  • erythema
  • scaling
  • vesicles
  • papules
  • keratosis pilaris
  • excoriations
  • lichenification
  • hypopigmentation
Full details

Risk factors

  • filaggrin gene mutation
  • age <5 years
  • family history of atopic dermatitis
  • allergic rhinitis
  • asthma
  • active and passive exposure to smoke
  • female sex
  • African-American ethnicity
Full details

Diagnostic tests

1st tests to order

  • clinical diagnosis
Full details

Tests to avoid

  • IgG testing
  • radioallergosorbent test
Full details

Tests to consider

  • IgE levels
  • skin-prick testing
  • oral food challenge
  • trial elimination diet
  • patch testing
  • skin biopsy
Full details

Treatment algorithm

ACUTE

acute flare

ONGOING

chronic or relapsing disease

Contributors

Authors

Adelaide A. Hebert, MD

Professor & Director of Pediatric Dermatology

Clinical Specialist

Department of Dermatology and Pediatrics

University of Texas Health Sciences Center at Houston

Houston

TX

Disclosures

AAH has received research grants paid to UTHealth McGovern Medical School Houston from Pfizer, GSK, Dermavant, Arcutis, and Novan; has received honoraria from Pfizer, Verrica, and Novan; and is on the data safety monitoring boards for GSK, Ortho Dermatologics, and Regeneron-Sanofi.

Alexander Jafari, MD

Dermatology Clinical Research Fellow

Department of Dermatology

University of Texas Health Science Center at Houston

Houston

TX

Disclosures

AJ declares that he has no competing interests.

Matthew Dallo, MD

Clinical Research Fellow

Department of Dermatology

University of Texas Health Science Center at Houston

Houston

TX

Declarações

MD declares that he has no competing interests.

Agradecimentos

Dr Adelaide A. Hebert, Dr Alexander Jafari, and Dr Matthew Dallo would like to gratefully acknowledge Dr Eugenio G. Galindo, Dr Quoc-Bao D. Nguyen, Dr Mary D. DarConte, Dr Christina M. Gelbard, and Dr Daniel A. Grabella, previous contributors to this topic.

Declarações

EGG, QBDN, MDD, CMG, and DAG declare that they have no competing interests.

Revisores

Amor Khachemoune, MD

Assistant Professor

New York University School of Medicine

NY

Declarações

AK declares that he has no competing interests.

John English, MBBS, FRCP

Consultant Dermatologist

Department of Dermatology

Queen's Medical Centre

Nottingham University Hospitals

Nottingham

UK

Declarações

JE declares that he has no competing interests.

Créditos aos pareceristas

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Referências

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Principais artigos

National Institute for Health and Care Excellence. Atopic eczema in under 12s: diagnosis and management. Sep 2025 [internet publication].Texto completo

European Dermatology Forum. Living EuroGuiDerm guideline for the systemic treatment of atopic eczema. Oct 2023 [internet publication].Texto completo

Davis DMR, Drucker AM, Alikhan A, et al. Guidelines of care for the management of atopic dermatitis in adults with phototherapy and systemic therapies. J Am Acad Dermatol. 2024 Feb;90(2):e43-56.Texto completo  Resumo

Sidbury R, Alikhan A, Bercovitch L, et al. Guidelines of care for the management of atopic dermatitis in adults with topical therapies. J Am Acad Dermatol. 2023 Jan 11:S0190-9622(23)00004-X.Texto completo  Resumo

Artigos de referência

Uma lista completa das fontes referenciadas neste tópico está disponível para os usuários com acesso total ao BMJ Best Practice.
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