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Healed Lesions Staying White
from Taryn R.

Ed:  Thanks for your website — it has been truly beneficial.

I've suffered from psoriasis since I was about 16 (now 24).  My condition has steadily worsened over the years, and I have yet to find the magic combination that will keep things in check.  I have a feeling that I will be searching for a long time to come.  I am currently using Desonide and Ultravate for treatment.  The Desonide doesn't really work at all, but I clearly cannot use Ultravate on a regular basis or I'll have some unwelcome side effects. 

But to the point of my e-mail — I recently traveled to St. Thomas with my family for New Year's — and once again, as has been the pattern for several years now, exposure to sun turns my psoriasis spots white (or what is really happening, my unaffected skin is getting tan, and the psoriasis isn't changing color, so it looks like I have the condition known as vitiligo — white spots on the skin).  Does this happen to other psoriasis sufferers?  Is there anything that can be done about it? 

Or am I suffering from some kind of skin fungus (in addition to psoriasis) as my dermatologist suggested several years ago when I posed the problem to him?  It's interesting that these spots resemble psoriasis until I am in the sun for extended periods of time, at which point they just look white, sometimes they are smooth to the touch, and other times rough — (and just for the record, I am careful about skin cancer — spf 30 at all times).  Sincerely, -Taryn R.


Ed’s Response: I’ve heard of this before and think I’ve experienced it myself a time or two.  With me the healed white lesion might really be vitiligo, as I’ve had this condition all my life. 

My derm has said that, given time, a healed lesion without any pigment coloration should fade — in other words, this, too, shall pass.  No one has mentioned the possibility of a skin fungus being the cause of this scarring (a word probably used inappropriately).

Hopefully, any readers who have more experience with this will share what they know.  Thanks for writing, Taryn.  -Ed

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