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Cold urticaria (essentially meaning cold hives) is a disorder in which large red welts called hives (urticaria) form on the skin after exposure to a cold stimulus. [1] The hives are usually itchy and often the hands, feet and other parts of the body will become itchy and swollen as well.
Poultry meat allergy is a rare food allergy in humans caused by consumption of poultry meat (commonly chicken and turkey) whereby the body triggers an immune reaction and becomes overloaded with immunoglobulin E (IgE) antibodies. [1] [2] It can co-occur with egg allergy but more often occurs without allergy to poultry eggs.
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] As of 2018 six allergens have been identified to prawn alone; along with crab, it is the major culprit of seafood anaphylaxis. [13]
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Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...
Flu: CDC also recommends that everyone 6 months and older get an annual flu shot, “with rare exception” (i.e., if you’ve had a severe allergic reaction to a flu vaccine in the past, or if ...
A patch test (contact delayed hypersensitivity allergy test) [17] is a commonly used examination to determine the exact cause of an allergic contact dermatitis. According to the American Academy of Allergy, Asthma, and Immunology, "patch testing is the gold standard for contact allergen identification".
Skin allergies frequently cause rashes, or swelling and inflammation within the skin, in what is known as a "weal and flare" reaction characteristic of hives and angioedema. [ 30 ] With insect stings, a large local reaction may occur in the form of an area of skin redness greater than 10 cm in size that can last one to two days. [ 31 ]