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What's causing your itchy skin? 皮肤发痒的原因是什么？ Around 10% of people experience notable itching, officially called pruritus. You can have itchy skin due to simple dryness, poison ivy, chickenpox, bug bites, or more serious conditions like psoriasis and eczema. Sometimes itching plagues your whole body, other times just one place. Itchy skin can last for weeks-or more. Sometimes itchiness comes with redness, rashes, bumps, or cracked skin, and sometimes it doesn't. 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。 | 
