Solar urticaria: A form of hives that occurs in response to sun exposure. Symptoms usually occur within minutes of the sun exposure. Symptoms usually persist for between half an hour to two hours. More detailed information about the symptoms, causes, and treatments of Solar urticaria is available below. Symptoms of Solar urticaria.
SolarWinds Inc. is a company which develops enterprise information technology (IT) infrastructure management software.
Interesting Facts about Sunspots, Solar Winds, and Flares. 1  Sunspots are actually fairly bright, but they appear dark because the rest of the Sun is so much brighter. 2  Solar flares are often followed by a large ejection of plasma from the surface of the Sun called a Coronal Mass Ejection (CME).