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Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, ... Treatment guidelines for the management of chronic hives have been published.
Hives, or urticaria, are itchy pink welts that could appear anywhere on your skin. Some are bumps as small as a pinhead, while others may merge together to cover large patches of your skin.
The first outbreak of urticaria can lead to other reactions on body parts not directly stimulated, scraped, or scratched. In a normal case, the swelling will decrease without treatment within 15–30 minutes, but, in extreme cases, itchy red welts may last anywhere from a few hours to days.
A hives rash, also called urticaria, typically appears as raised, inflamed, itchy welts on the skin. They can each be separate, appear in clusters or merge into a larger swollen bump.
Chronic spontaneous urticaria, despite its cause being unknown, is linked to a higher prevalence of autoimmune diseases, and is often worsened by triggers like stress, infections, certain foods, or nonsteroidal anti-inflammatory drugs. The hives and angioedema seen in CSU is thought to be linked to the degranulation of skin mast cells.
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 ...
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