为什么你总是皮肤发痒?
<p><span word="What">What</span>'<span word="s">s</span> <span word="causing">causing</span> <span word="your">your</span> <span word="itchy">itchy</span> <span word="skin">skin</span>?</p><p>皮肤发痒的原因是什么？</p><p><span word="Around">Around</span> 10% <span word="of">of</span> <span word="people">people</span> <span word="experience">experience</span> <span word="notable">notable</span> <span word="itching">itching</span>, <span word="officially">officially</span> <span word="called">called</span> <span word="pruritus">pruritus</span>. <span word="You">You</span> <span word="can">can</span> <span word="have">have</span> <span word="itchy">itchy</span> <span word="skin">skin</span> <span word="due">due</span> <span word="to">to</span> <span word="simple">simple</span> <span word="dryness">dryness</span>, <span word="poison">poison</span> <span word="ivy">ivy</span>, <span word="chickenpox">chickenpox</span>, <span word="bug">bug</span> <span word="bites">bites</span>, <span word="or">or</span> <span word="more">more</span> <span word="serious">serious</span> <span word="conditions">conditions</span> <span word="like">like</span> <span word="psoriasis">psoriasis</span> <span word="and">and</span> <span word="eczema">eczema</span>. <span word="Sometimes">Sometimes</span> <span word="itching">itching</span> <span word="plagues">plagues</span> <span word="your">your</span> <span word="whole">whole</span> <span word="body">body</span>, <span word="other">other</span> <span word="times">times</span> <span word="just">just</span> <span word="one">one</span> <span word="place">place</span>. <span word="Itchy">Itchy</span> <span word="skin">skin</span> <span word="can">can</span> <span word="last">last</span> <span word="for">for</span> <span word="weeks">weeks</span>-<span word="or">or</span> <span word="more">more</span>. <span word="Sometimes">Sometimes</span> <span word="itchiness">itchiness</span> <span word="comes">comes</span> <span word="with">with</span> <span word="redness">redness</span>, <span word="rashes">rashes</span>, <span word="bumps">bumps</span>, <span word="or">or</span> <span word="cracked">cracked</span> <span word="skin">skin</span>, <span word="and">and</span> <span word="sometimes">sometimes</span> <span word="it">it</span> <span word="doesn">doesn</span>'<span word="t">t</span>.</p><p>大约10%的人都会有皮肤很痒的经历，官方称之为瘙痒症。皮肤干燥、毒葛、水痘、被虫咬或牛皮癣、湿疹等更严重的情况会导致皮肤发痒。有时候，你会全身发痒，有时只是局部发痒。皮肤瘙痒可持续几周或更久。有时候，伴随发痒而来的是红肿、皮疹、肿起或皮肤被抓破，有时候却不会有这些症状。</p>
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