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Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [2] The patches of rash may appear on different body parts, [2] with variable duration from minutes to days, and do not leave any long-lasting skin change. [2]
Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...
Urticaria are characterized by dermal edema (wheal, swollen) and erythema (flare, red), [2] also known as hives. [5] Hive lesions typically last less than 24 hours and are usually itchy (pruritic). [2] Hives can appear anywhere on the body and they may change shape, move around, disappear and reappear over short periods of time. [5]
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.
Your itchy throat may be caused by allergies, irritants like smoke, or may be a sign that you need a doc's attention or a Covid test. Here's how to know. What to Do About an Itchy Throat
The possible causes of chronic itch go way beyond dry skin. The post 11 Things Your Itchy Skin Can Reveal About Your Health appeared first on Reader's Digest. Show comments. Advertisement.
While the exact treatment depends on the underlying cause, here are a few ways to eliminate an itchy skin rash: Antihistamines: If rashes are caused by allergic reactions, sometimes antihistamines ...
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] In severe cases, drinking water can result in swelling of the oral cavity, [3] swelling of the throat, [4] and in extreme cases, anaphylaxis. [5] [6] [7]
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