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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. The second and subsequent exposures produce photoallergic skin conditions ...
Jul 27, 2023 · Symptoms of a Sun Rash. Sun rashes can present after exposure to the sun. The rash will heal if the skin is covered and not exposed to additional sunlight. It is most often experienced in females age 20 through 40. The symptoms of a sun rash vary and can include: Red, raised bumps or patches. Large blisters.
Aug 20, 2022 · Sun allergy is a broad term. It describes several conditions that cause an itchy rash to form on the skin after being in sunlight or other sources of ultraviolet (UV) radiation. Polymorphous light eruption is the most common form of sun allergy. Some people have a hereditary type of sun allergy.
Oct 24, 2018 · A sun rash can occur due to a genetic condition or the use of a certain medication. The rash may appear as small blisters and cause an itching or burning feeling, among other symptoms.
Jul 29, 2022 · Sunburn occurs due to UV exposure that damages the skin’s outermost layer. In contrast, a sun rash is a reaction by a person’s immune system to: the sun. oral or topical medication. a chemical ...
Mar 15, 2022 · Polymorphous light eruption is a rash that affects parts of the body that are exposed to more sunlight as daylight hours get longer, such as the front of the neck and chest. Polymorphous means that the rash can have many forms, such as tiny bumps, raised areas or blisters. The reaction usually happens during spring and early summer when ...
Photosensitivity refers to various symptoms, diseases and conditions caused or aggravated by exposure to sunlight. A rash due to photosensitivity is a photodermatosis (plural photodermatoses). If the rash is eczematous, it is a photodermatitis. A chemical or drug that causes photosensitivity is a photosensitiser.
