Which condition is characterized by sudden, raised, itchy welts on the skin?

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Multiple Choice

Which condition is characterized by sudden, raised, itchy welts on the skin?

Explanation:
Sudden, raised, itchy welts describe urticaria, or hives. These wheals form when mast cells release histamine, causing superficial dermal edema that shows up as transient, itchy bumps that can appear anywhere and change shape or location. They often appear quickly after a trigger and may come and go over hours to days. In contrast, eczema presents as dry, itchy patches; psoriasis shows thick, red plaques with silvery scales; dermatitis is a broad term for skin inflammation with various patterns, not the classic hive-like welts. So this description fits urticaria best.

Sudden, raised, itchy welts describe urticaria, or hives. These wheals form when mast cells release histamine, causing superficial dermal edema that shows up as transient, itchy bumps that can appear anywhere and change shape or location. They often appear quickly after a trigger and may come and go over hours to days. In contrast, eczema presents as dry, itchy patches; psoriasis shows thick, red plaques with silvery scales; dermatitis is a broad term for skin inflammation with various patterns, not the classic hive-like welts. So this description fits urticaria best.

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