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3 mar 2022 · What are hives in children? Hives (urticaria) are bumps on your skin that occur suddenly. They're common in children and usually form on their chest, stomach or back. Hives may cause discomfort, but they’re temporary and should leave no scars or bruising.
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 ...
16 paź 2024 · Dermatographism. Diagnosis. Pictures of hives, also known as urticaria, can help you to identify these raised, red, itchy bumps or welts. Hives can affect people of any age on any part of the body. Causes include stress, infections, food or latex allergies, medications, and environmental effects of heat, cold, or exercise.
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 in children is usually caused by infection, even if afebrile. In older children food, medication, and inhaled allergens are also important causes. In adults urticaria is usually idiopathic and spontaneous. Acute urticaria with fever can be the first sign of COVID-19 infection.
