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3 mar 2022 · What causes hives in children? In as many as half of cases, hives have no cause. When a cause is identified, it could be an allergic reaction to: Chemicals found in detergents, lotions and other household products. Dust. Food, especially milk, tree nuts or shellfish. Latex. Mold. Pets and other animals. Pollen.
20 lut 2024 · Viral hives in children and toddlers are more common than parents realize. Here, a doctor explains what's normal, and when to call a pediatrician about hives (urticaria).
How common are hives in children, and what causes them? Urticaria, also known as hives, are very common in children – affecting up to 25 percent of kids at least once. When a child is exposed to a specific trigger – an allergen, infection, extreme temperature or a period of high stress – mast cells release histamine, which causes fluid to ...
What causes urticaria in children? Weals are caused by a number of chemical mediators, such as histamine and cytokines, which are released from inflammatory cells, including mast cells. The mediators cause vasodilation and leakage of fluid into surrounding tissues to produce the redness and swelling of urticarial weals.
Causes of hives in children include food, medicines, and other triggers. Common causes include: Peanuts. Eggs. Shellfish. Penicillin. Sulfa. Anticonvulsant medicines. Phenobarbital. Aspirin. Other types of hives include: Dermatographism.
Acute urticaria. Author and Chief Editor: Dr Amanda Oakley, Dermatologist, Hamilton, New Zealand, January 2015. Introduction - urticaria. Demographics. Causes. Clinical features. Diagnosis. Treatment. What is urticaria? Urticaria is characterised by weals (hives) or angioedema (swellings, in 10%) or both (in 40%).
Causes. Diagnosis. Treatment. Differential diagnosis. Outlook. What is urticaria? Urticaria is characterised by very itchy weals (hives), with or without surrounding erythematous flares. The name urticaria is derived from the common European stinging nettle Urtica dioica. Urticaria can be acute or chronic, spontaneous or inducible.
