A raised bump on the skin that is paler than the adjacent tissue and which may be surrounded by an area of red inflammation. Weals are characteristic of urticaria.
(hive) n. a transient swelling, confined to a small area of the skin, that is characteristic of *urticaria and also occurs due to *dermographism.
Or wheals: raised white areas of OEDEMA in the skin with reddened margins, which may result from sharp blows, or accompanied by itching, may be a symptom of URTICARIA.... weals
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