Solar urticaria

Specialty of Dermatology

Solar urticaria manifests ertitema and hives within minutes after exposure to sunlight (usually after 10 minutes). The first symptom is itching, followed by erythema and hives. These reactions usually disappear within about three hours or so. However, if exposure to the sun is very intense symptoms may be exacerbated, suffering from headache, hypotension and even bronchospasm. It is classified into various types, according to the wavelength of light that causes it. Treatment will depend on each case, but the use of sunscreens with high SPF are very important, and the use of appropriate clothing to prevent seepage from sunlight. The administration of medication for more advanced cases must be properly stipulated by a specialist.

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