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The histamine release causes allergy symptoms, such as hives. The most common allergic reactions that trigger hives, also known as urticaria, are foods, bug bites, latex, medications, pet dander ...
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 ]
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.
Hives can present as an allergic reaction to something, like pollen or certain foods, so you may have other allergy-related symptoms along with the hives. Keratosis pilaris Bumpy "chicken skin" is ...
Antihistamines are drugs which treat allergic rhinitis, common cold, influenza, and other allergies. [1] Typically, people take antihistamines as an inexpensive, generic (not patented) drug that can be bought without a prescription and provides relief from nasal congestion, sneezing, or hives caused by pollen, dust mites, or animal allergy with few side effects. [1]
Cholinergic urticaria typically presents with a number of small papular hives all over the body, that involve cutaneous inflammation (wheals) and severe nerve pain, which usually develops in response to exercise, bathing, staying in a heated environment, spicy foods, or emotional stress.
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.
Cold urticaria (essentially meaning cold hives) is a disorder in which large red welts called hives (urticaria) form on the skin after exposure to a cold stimulus. [1] The hives are usually itchy and often the hands, feet and other parts of the body will become itchy and swollen as well.
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