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Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure.
Phytophotodermatitis, also known as berloque dermatitis, [1] [2] [3] margarita photodermatitis, [4] [5] lime disease [6] or lime phytodermatitis [6] is a cutaneous phototoxic inflammatory reaction resulting from contact with a light-sensitizing botanical agent (such as lime juice) followed by exposure to ultraviolet A (UV-A) light (from the sun, for instance).
People can also get rashes or burns after taking certain medications — such as common blood pressure medications — and being out in the sun. In those cases, the rash would appear on parts of ...
Artificial UV light sources from tanning units and phototherapy treatment units can also trigger PLE. About three-quarters of patients acquire PLE after UV-A exposure only, one-tenth after UV-B exposure only, and the rest after a combination of UV-A and UV-B exposure. [6] People vary in the amount of sun exposure needed to trigger the rash. [15]
Solar urticaria is an immunoglobulin E-mediated hypersensitivity that can be introduced through primary or secondary factors, or induced by exogenous photosensitization. [15] [16] Primary SU is believed to be a type I hypersensitivity (a mild to severe reaction to an antigen including anaphylaxis) in which an antigen, or substance provoking an immune response, is "induced by UV or visible ...
Officials said a 57-year-old man died of heat exposure at Death Valley National Park earlier this month, marking the second heat-related death at the park this summer.
The evolution of college sports into a more professionalized entity may soon take another step: jersey patches. While jersey patches are still prohibited under NCAA rules, college leaders have ...
Snow Valley Mountain Resort: Running Springs: California: 7,841 6,800 1,041 240 29 12 150 $72 December 11, 2019 [64] Wolf Creek Ski Area: Pagosa Springs: Colorado: 11,904 10,300 1,604 1,600 77 7 465 $76 December 11, 2019 [65] Kicking Horse Resort: Golden: British Columbia: 8,218 3,900 4,314 3,486 120 3 295 $73 March 16, 2019 [66] Eldora ...