Skin reactions are often seen as minor issues that come and go, caused by things like weather, fabrics, soaps, or mild irritants. Because they are so common, their potential seriousness is sometimes overlooked.
However, the skin is closely connected to the immune system, and certain changes can signal deeper internal reactions. When skin symptoms appear alongside other systemic signs, they may indicate something more serious.
One common reaction is urticaria, or hives. These are raised, itchy welts that can spread quickly and change shape or location across the body.
While hives alone are often harmless, their significance increases when they occur with symptoms affecting other parts of the body.
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