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Rosacea, light, and phototherapy.

Melvin Lee1, John Koo

  • 1Rosalind Franklin University of Medicine and Science, Chicago, IL, USA. melvin.lee@students.rosalindfranklin.edu

Journal of Drugs in Dermatology : JDD
|May 19, 2005
PubMed
Summary

Sunlight may not worsen rosacea, challenging long-held beliefs. Evidence suggests phototherapy for conditions like psoriasis might be safer for rosacea patients than previously thought.

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Area of Science:

  • Dermatology
  • Photobiology

Background:

  • Rosacea is commonly believed to be aggravated by light exposure.
  • This belief raises concerns for patients with coexisting skin conditions requiring phototherapy, such as psoriasis, eczema, or vitiligo.

Purpose of the Study:

  • To critically evaluate the established notion that light adversely affects rosacea.
  • To assess the safety and efficacy of phototherapy in patients with rosacea.

Main Methods:

  • A comprehensive literature search was conducted to gather evidence on the relationship between light exposure and rosacea.
  • Analysis included published surveys, comparative studies on sun exposure and sensitivity, and clinical trials using ultraviolet light.

Main Results:

  • Recent surveys indicate that some rosacea patients actually improve with sunlight exposure.
  • Studies show rosacea patients exhibit similar sun exposure, solar skin damage, and sun sensitivity compared to control subjects.
  • Clinical trials have not found significant differences between rosacea patients and controls when exposed to ultraviolet light.

Conclusions:

  • The long-held belief that light worsens rosacea is challenged by current evidence.
  • Phototherapy for dermatological conditions coexisting with rosacea may be safer than commonly assumed.

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