hives


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hives

(urticaria), rash consisting of blotches or localized swellings (wheals) of the skin, caused by an allergic reaction (see allergyallergy,
hypersensitive reaction of the body tissues of certain individuals to certain substances that, in similar amounts and circumstances, are innocuous to other persons. Allergens, or allergy-causing substances, can be airborne substances (e.g.
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). The swelling is caused by distention of the skin capillaries and escape of serum and white cells into the skin and tissues. Hives are usually extremely itchy, and they may occur in a small area or cover virtually the entire body. The allergic reaction is commonly to a food or a drug, although injections of serum, insect bites, inhalants (pollen), and physical factors (cold, light, heat) may also be causative. Usually crops of hives come and go, remaining at one site for several hours and then reappearing at another; commonly an acute attack subsides spontaneously in a week or two. However, chronic cases of hives may last for long periods of time. Antihistamines and cortisone are considered helpful in relieving the itching and reducing the swelling.
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hives

[hīvz]
(medicine)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in classic literature ?
The Oddities crawled in and a Voice behind a Veil said: "I've neglected the old Hive too long.
The Hive shook beneath the shattering thunder of a stuck-down quilt being torn back.
Light broke in the top of the hive as the Queen had, prophesied--naked light on the boiling, bewildered bees.
The Hive was half hidden by smoke, and Figures moved through the smoke.
"Why, this isn't a hive! This is a museum of curiosities," said the Voice behind the Veil.
As frame after frame followed it, the swarm beheld the upheaval, exposure, and destruction of all that had been well or ill done in every cranny of their Hive for generations past.
The Figures stooped, lifted the Hive and shook it upside down over the pyre.
The shell of the Hive was returned to its place, a light was set in its sticky emptiness, tier by tier the Figures built it up, closed the entrance, and went away.
I opened that hive because I wanted you to drop the frame, as my brother did, and get stung, as he was; because I thought that would drive you away, because I thought then that I didn't want you down here.
We brushed three of these swarms into cardboard boxes and quite literally dumped them into empty Layens hives that I'd built in winter.
Edward Burkett, professor of biology at the University of Wisconsin, experienced this issue acutely in 2016 when all the hives in the UW-Superior bee apiary were lost.