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Atopic dermatitis and fungi.

Jan Faergemann1

  • 1Department of Dermatology, Sahlgrenska University Hospital, Gothenburg, Sweden. jan.faergemann@derm.gu.se

Clinical Microbiology Reviews
|October 5, 2002
PubMed
Summary

Atopic dermatitis (AD) is a chronic inflammatory skin condition. Investigating microorganisms like Malassezia and Candida, and dermatophytes, may reveal new treatment avenues for patients unresponsive to standard therapies.

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Area of Science:

  • Dermatology
  • Immunology
  • Microbiology

Background:

  • Atopic dermatitis (AD) is a chronic, itchy, inflammatory skin disease often linked to asthma and hay fever, with genetic factors playing a role.
  • Impaired skin barrier function in AD patients increases sensitivity to irritants and microorganisms.
  • Standard treatments include topical corticosteroids, immunomodulators, emollients, and phototherapy, but some patients show limited response.

Purpose of the Study:

  • To explore the role of microorganisms, specifically yeasts like Malassezia and Candida, and dermatophytes in atopic dermatitis.
  • To investigate potential therapeutic strategies targeting microbial factors in AD management.

Main Methods:

  • Review of existing literature on the role of Malassezia yeasts, Candida species, and dermatophytes in atopic dermatitis.
  • Analysis of studies documenting the impact of these microorganisms on AD, particularly in cases resistant to conventional treatments.

Main Results:

  • Growing evidence supports the involvement of Malassezia yeasts in AD, especially in head and neck regions.
  • Candida species are indicated as potential aggravating factors in AD.
  • Patients with AD are more susceptible to chronic dermatophyte infections, and antifungal treatment may improve AD symptoms.

Conclusions:

  • Microbial factors, including Malassezia, Candida, and dermatophytes, represent an important consideration in managing atopic dermatitis, particularly in treatment-resistant cases.
  • Antifungal therapies may offer a beneficial treatment option for AD patients with co-existing fungal infections.

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