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Doctors say hives usually don't last long, and you can typically treat them at home. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290 ...
Hives are a common skin reaction that causes itchy bumps or raised, swollen-looking patches to appear on the skin. ... Home & Garden. Lighter Side. Medicare. News. Science & Tech.
Hives and other allergic reactions may develop after taking medication, for instance. Other medications cause rashes as a known side effect or as a reaction to sunlight, Johns Hopkins Medicine says.
Hives, or urticaria, is a form of skin rash with red, raised, itchy bumps. [1] They may also burn or sting. [2] Hives can appear anywhere on the surface of the skin. Whether the trigger is allergic or not, a complex release of inflammatory mediators, including histamine from cutaneous mast cells, results in fluid leakage from superficial blood ...
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 ...
First-line treatments for autoimmune urticaria primarily involve the use of antihistamines. [32] These medications work by blocking the action of histamine, a substance in the body that causes allergic symptoms. Antihistamines can be very effective in controlling the symptoms of urticaria and are usually the first choice of treatment.
From stress to allergic reactions, these are some common reasons you could be breaking out in hives.
The main symptom of aquagenic urticaria is the development of physical hives, which may or may not itch. Itching after contact with water, without the development of physical hives, is known as aquagenic pruritus. Aquadynia is a condition in which pain occurs after contact with water. [2]