What Causes Allergy To The Sun вђ Know Your Allergy
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Sun allergy is a broad term. it describes several conditions that cause an itchy rash to form on the skin after being in sunlight or other sources of ultraviolet (uv) radiation. polymorphous light eruption is the most common form of sun allergy. some people have a hereditary type of sun allergy. There are different types of sun allergies, depending on the rash type, cause and people most often affected: actinic prurigo: actinic prurigo causes raised papules or nodules on your skin. the rash can affect additional areas of skin that haven’t been exposed to the sun. it’s more common among latin american and american indian populations.
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Signs of sun allergy can include an itchy, painful, blistering, or peeling rash. this reaction can occur within minutes or hours of sun exposure and can vary in intensity from mild discomfort to. Diagnosis. your health care provider may diagnose sun allergy by looking at your skin. you might need tests, such as: ultraviolet (uv) light testing. also called phototesting, this exam is used to see how your skin reacts to light from a special lamp. this can help pinpoint which type of sun allergy you have. Avoid the hours when sun is at its strongest: between 10 a.m. and 2 p.m., advises dr. massick. seek shade when you’re outside, says dr. hale. cross to the shady side of the street, sit under a. As the sun changes your skin—making it hot or inflamed—the immune system reacts as if the changes to your skin are a threat. the immune system then attacks the areas of sun exposed skin, leading to sun rash bumps, hives, and other symptoms. sun allergies often appear for the first time in young adulthood. some people have genetic risk.
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