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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.
These symptoms could be heat rash, sun poisoning, or one of any number of skin conditions. ... It will help us get a sense of the evolution of the rash.” Treatments to avoid making a rash worse.
With sunny summer weather can come new skin rashes, including heat rash and sun poisoning. But some can be severe, so it's important to know the differences.
How to prevent and treat sun-related rashes. ... But for most people, Adler said, the best treatment is steering clear of whatever food, plant or product is triggering a skin reaction.
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).
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]
Overexposure to the sun's ultraviolet rays can trigger a variety of reactions on your skin, from peeling sunburns to blisters and even nausea as a result of sun poisoning.
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 ...