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  2. Photodermatitis - Wikipedia

    en.wikipedia.org/wiki/Photodermatitis

    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.

  3. Allergies in children - Wikipedia

    en.wikipedia.org/wiki/Allergies_in_children

    Children affected by allergies in the developed world: [2] 1 in 13 have eczema; 1 in 8 have allergic rhinitis; 3-6% are affected by food allergy; Children in the United States under 18 years of age: [3] Percent with any allergy: 27.2%; Percent with seasonal allergy: 18.9%; Percent with eczema: 10.8%; Percent with food allergy: 5.8%

  4. Solar urticaria - Wikipedia

    en.wikipedia.org/wiki/Solar_urticaria

    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 ...

  5. Phytophotodermatitis - Wikipedia

    en.wikipedia.org/wiki/Phytophotodermatitis

    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).

  6. List of allergens - Wikipedia

    en.wikipedia.org/wiki/List_of_allergens

    Respiratory symptoms, Anaphylaxis, oral allergy syndrome, gastrointestinal symptoms, rhinitis, conjunctivitis Shellfish allergies are highly cross reactive, but its prevalence is much higher than that of fish allergy. Shellfish allergy is the leading cause of food allergy in U.S adults. [31]

  7. Polymorphous light eruption - Wikipedia

    en.wikipedia.org/wiki/Polymorphous_light_eruption

    PLE is more common in young adults and has a female preponderance [5] with a ratio of 2:1 female-to-male. In Germany the female to male ratio has been cited as 9:1. [4] It can, however, occur in all age groups and all skin types. [6] Those experiencing sun exposure all year round seldom acquire PLE eruption. [15] Hence, it is less common near ...

  8. Actinic prurigo - Wikipedia

    en.wikipedia.org/wiki/Actinic_prurigo

    Actinic prurigo is a rare sunlight-induced, pruritic, papular, or nodular skin eruption. Some medical experts use the term actinic prurigo to denote a rare photodermatosis that develops in childhood and is chronic and persistent; this rare photodermatosis, associated with the human leukocyte antigen HLA-DR4, is often called "Familial polymorphous light eruption of American Indians" or ...

  9. Bet v I allergen - Wikipedia

    en.wikipedia.org/wiki/Bet_v_I_allergen

    Bet v 1 is the main cause of type I allergies observed in early spring. Type I, or immunoglobulin E-mediated (IgE-mediated) allergies affect 1 in 5 people in Europe and North America. Commonly observed symptoms are hay fever, dermatitis, asthma and, in severe cases, anaphylactic shock.