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An inflammatory response to mild skin irritation, with a well-defined, raised redness, lasting for perhaps an hour and then disappearing. The cause is usually atopic allergies in an IgE-excess person, although mild, subclinical adrenocortical deficiency can be another factor.
Also: Wheals
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Topics Related To Wheal
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| Hives | The Condition
"...The wheals are white or red, occasionally with a pale center..."
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Urticaria |
Related Topic
"...Symptoms include sudden onset; initial itching; then swelling of the surface of the skin into red or skin-colored welts (wheals) with clearly defined edges; welts turn white on touching; new welts develop when the skin is scratched; usually disappear within minutes or hours..."
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Last updated: May 10, 2007
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