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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, commonly known as hives, typically presents as a sharply circumscribed, superficial central swelling of varying sizes and surrounding erythema and is characterized by the skin returning to its normal appearance within 30 min to 24 h. The lesions can vary in size from millimetric to centimeters.
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.
20 sie 2024 · Urticaria, or hives (sometimes referred to as welts or wheals), is a common disorder, with a lifetime prevalence of approximately 20 percent in the general population [1]. A typical urticarial lesion is an intensely pruritic, erythematous plaque (picture 1).
What is hives in children? Hives (urticaria) is a sudden outbreak of red, itchy, and swollen areas on the skin. This condition often happens as an allergic reaction from eating certain foods or taking certain medicines.
15 wrz 2020 · Histaminergic urticaria-angiodema is a common complaint in children. According to clinical criteria, it is classified as acute and chronic urticaria. A further clinical classification relies on triggering factors. We focus on diagnosis and therapeutic strategies.
In younger children, the cause is often a viral infection. Typical viral pathogens include adenovirus, Epstein Barr virus, parvovirus B19, enterovirus and respiratory syncytial virus. Other infective causes include Giardia lamblia and Escherichia coli.
