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Conditions and Diseases > Acne and Skin Disorders Forum > Why do I get Bad Skin Rashes in the Sun?
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Q: Why do I get Bad Skin Rashes in the Sun?
asked by: DoctorQuestion on June 17th, 2006
When I go out in the sun sometimes I get really bad rashes. I'm pale, and normally will get sunburnt, but it's not sunburn. Im also allergic to the dyes in some candy and food, and I dont know if it's that reacting with the sun or what it is. It gets in the way of things though. If I go out in the sun after eating red dye i'll get this red rash that looks exactly like sunburn, and feels like it too. I thought it was sunburn for a while, but I noticed a differance. This is more red, gets worse as the day goes on, is more splotchy of where it ends, and will go away over night. We think its from the red dye, becuase I dont get it unless I eat that. I used to get this splotchy red rash when I went out in the sun. It looks bumby, but its not. It stiffens the skin, and burns worse then sunburn. I havent gotten it in a while, but today I did. I've been able to go to the pool for the past few days in the afternoon and not put on any sunscreen and only get a little sunburnt, hardly enough to bother me. But today I went out around 11 and got that rash for the first time in acouple years. I had yellow dye right before it, but I dont know what it is


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Dr. Nikola Gjuzelov , MD
replied on June 21st, 2006
Acne, Skin Disorders Answer A1126
It seems likely that you suffering from some kind of photo-allergic eczema. In this type of allergy, exposure to sunlight is necessary for developing the allergic immunological reaction. Dye is probably the allergen that is causing this reaction...but that has to be confirmed via a photo-epicutaneus test with a patch (photo-patch). You can avoid dyes and to use a local photo-protector with a high UV factor.


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