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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 ...
Photodermatitis may result in swelling, difficulty breathing, a burning sensation, a red itchy rash sometimes resembling small blisters, and peeling of the skin. Nausea may also occur. There may also be blotches where the itching may persist for long periods of time. In these areas an unsightly orange to brown tint may form, usually near or on ...
After sun exposure, the skin may turn red in as little as 30 minutes, but sunburn usually takes 2 to 6 hours. Pain is usually strongest 6 to 48 hours after exposure. The burn continues to develop for 1 to 3 days, occasionally followed by peeling skin after 3 to 8 days. Some peeling and itching may continue for several weeks. [citation needed]
The condition typically starts with an itchy patch of skin, but scratching the itch only makes the skin itchier. The itchiness may be more severe at night or when you're feeling relaxed.
OTC skin protectants like zinc acetate, zinc carbonate, zinc oxide, and calamine can also help dry the oozing and weeping, while baking soda or colloidal oatmeal may help with the itch, the FDA ...
There are plenty of causes of dry and itchy skin, a few of which are simple mistakes you're making. But why does it happen so frequently?
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).
Polymorphous light eruption (PLE) presents with itchy red small bumps on sun-exposed skin, particularly face, neck, forearms and legs. [1] It generally appears 30 minutes to a few hours after sun exposure and may last between one and 14 days. [3] The bumps may become small blisters or plaques and may appear bloody, [3] often healing with ...