A member asked:

Everytime im in the sun i get hives mostly on my arms and chest. i've tried creams allergy meds and nothing works. i have to wear around 70 sph sunbl?

A doctor has provided 1 answer

Solar Urticaria: Solar urticaria is a rare form of physical urticaria (hives) in which the skin swells within minutes of exposure to natural sunlight or an artificial light source emitting ultraviolet radiation. The reaction may subside within a few minutes or it may persist for up to an hour or more where it can become very disabling. Sun protective clothing, antihistamines, high spfs are helpful.

Answered 5/28/2013

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