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The underlying cause of dermatographism is not known, and it can last for many years without relief. The condition may subside and be effectively cured; however, it is often a lifelong ailment. [dubious – discuss] It is not a life-threatening disease, and it is not contagious. [citation needed]
Hives, or urticaria, is a form of skin rash with red, raised, itchy bumps. [1] They may also burn or sting. [2] Hives can appear anywhere on the surface of the skin. Whether the trigger is allergic or not, a complex release of inflammatory mediators, including histamine from cutaneous mast cells, results in fluid leakage from superficial blood ...
AAD says it’s a non-invasive treatment that can help slow the growth of skin cells that can keep hives around. ... possible illnesses, and exposures to things that can cause hives. Some diseases ...
An underlying disease or condition. An allergic reaction. An overactive immune system. ... “So if the hives are super itchy, putting an ice pack on them can help.” And, while having hives is ...
These episodes can be triggered by various factors, including heat, stress, or for no identifiable reason. [6] Autoimmune urticaria is a relatively rare condition, affecting a small percentage of the population. [1] However, it can significantly impact the quality of life of those affected due to the unpredictability and discomfort of the ...
A rare and dangerous allergy makes working out a nightmare for one Minnesota native
Physical urticaria is a distinct subgroup of urticaria (hives) that are induced by an exogenous physical stimulus rather than occurring spontaneously. [1] There are seven subcategories that are recognized as independent diseases. [2] [3] Physical urticaria is known to be painful, itchy and physically unappealing; it can recur for months to ...
Severe or life-threatening reactions may be triggered by other allergens and are more common when combined with asthma. [41] Rates of allergies differ between adults and children. Children can sometimes outgrow peanut allergies. Egg allergies affect one to two percent of children but are outgrown by about two-thirds of children by the age of 5 ...