Biology, asked by anjalishaw6666, 23 days ago

sunlight an allergen​

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Answered by pradeepsharma64290
0

Answer:

Solar urticaria, also known as sun allergy, is a rare allergy to sunlight that causes hives to form on skin that's exposed to the sun. The itchy, reddish spots or welts usually appear within minutes of sun exposure. They can last for a short time or up to hours. The cause of solar urticaria is not known.

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