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Dermatologists explain why you have unbearably itchy legs. From dry skin to bug bites to hives, here's why you can't stop scratching—and how to find relief.
Also, because scratching or putting pressure on the referred itch does not cause the stimulus area to itch, the relationship between the stimulus and the referred itch is unidirectional. [2] The itching sensation is spontaneous and can cease with continued stimulation. There are two types of referred itch: normal and acquired (pathological).
Sometimes scratching relieves isolated itches, hence the existence of devices such as the back scratcher. Often, however, scratching only offers temporary relief and can intensify itching, even causing further damage to the skin, dubbed the "itch-scratch cycle".
As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic reaction, when in fact it is the act of being scratched that causes a wheal to appear. These wheals are a subset of urticaria (hives), and appear within minutes, in some cases accompanied by itching. The first outbreak of ...
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