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Hives is a problem in which red, itchy, and swollen areas show up on the skin. Causes of hives include food, medicines, and other triggers. Treatment includes antihistamines and a shot of epinephrine, if breathing is difficult. Staying away from known triggers of hives is important.
27 kwi 2023 · Hives are raised or puffy areas of the skin that itch intensely (picture 1). Hives are a very common condition. About 20 percent of people have hives at some time during their lives. Hives develop when there is a reaction that activates immune cells in the skin called mast cells. When activated, these cells release natural chemicals.
Introduction. Chronic urticaria (CU) is characterized by recurrent migrating skin lesions, called wheals or hives, angioedema (AE) or both lasting over 6 weeks. Wheals consist of a swelling area of different size and shape with a larger erythema, often pruritic. Lesions usually disappear in 24 h.
Urticaria refers to a group of conditions in which weals (hives) or angioedema (swelling) develop in the skin. It is very common in children. A weal is a superficial swelling, usually pale or skin-coloured. It is often surrounded by an area of erythema and can last from a few minutes to 24 hours.
Acute urticaria is urticaria (hives) that is present for less than six weeks. It is characterised by weals and sometimes angioedema, and resolves within hours to days.
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.
Hives can be a sign of an allergic reaction to things like food or an insect sting. Hives are very common – one out of every five people will have hives at some time in their life. It is common for hives to occur in children where there is no identifiable cause, this is called idiopathic urticaria.
