Rosacea, Light, and Phototherapy

May 2005 | Volume 4 | Issue 3 | Original Article | 326 | Copyright © 2005

Melvin Lee, John Koo MD


The long-established notion that rosacea is worsened by light is of particular concern in the phototherapy of diseases such as psoriasis, eczema, or vitiligo, which often can be coexistent with rosacea. A literature search was conducted and much evidence was found to challenge this belief that light adversely affects rosacea. In fact, more patients actually improved with sunlight in a more recent published survey. Several other studies have also shown that rosacea patients were similar to control subjects in sun exposure, solar skin damage, and sun sensitivity. Additionally, all clinical trials to date have failed to find a difference between rosacea patients and control subjects when challenged with ultraviolet light. Thus, phototherapy with rosacea may be safer than is commonly believed.

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