Hives are raised, red, itchy patches of skin. They usually have red borders and pale centers. Hives range in size from ¼ inch to 3 inches or more across. They may seem to move from place to place on the skin. Several hives may form a large area of raised, red skin.
Hives are an allergic reaction of the skin. They can happen because of a reaction to medicine, food, or infection. Other things can also cause hives. But sometimes the cause is unknown.
You cannot spread hives to other people.
Hives are an allergic reaction of the skin that may last a few minutes or can persist for a few days. They appear as raised, red, itchy bumps of different shapes and sizes, with defined red margins and pale centers.
Hives may appear and then disappear at random and seem to move from place to place on the skin.
Hives may appear as a reaction to a medication, food, or infection. A single area of swelling often occurs after an insect bite at the site of the bite. Other possible causes include skin contact with animal saliva, plants, or latex. Often a cause cannot be found.
Hives are often minor, but they can also be the first sign of a life-threatening allergic reaction (anaphylaxis) that requires emergency care.
Most hives (urticaria) are an allergic skin reaction that appears as raised, red, itchy bumps of different shapes and sizes. Patches of hives may combine to form raised, reddened skin over large areas of the body. Hives are often minor, but they can also be the first sign of a life-threatening allergic reaction (anaphylaxis) that requires emergency care.
Call 911 anytime you think your child may need emergency care. For example, call if:
Call your doctor now or seek immediate medical care if:
Watch closely for changes in your child's health, and be sure to contact your doctor if:
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