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Pompholyx typically appears on the sides of palms, fingers or fingertips. The blisters are usually the size of millet grain, and are sometimes slightly raised or embedded under the skin. This condition is seasonal, peaking in summer and resolving spontaneously in winter.
汗皰疹（pompholyx）多發于手指側面、手掌、指端皮膚，多為米粒大小，有的稍高于皮膚，有的隱藏在皮膚之下。它的發病具有季節性，通常在夏天最明顯，冬天會自愈。
Contrary to common misconceptions, it is neither contagious nor related to fungal infections like athlete's foot, though ruptured blisters heighten infection risks through environmental exposure. Primarily impacting adolescents and young adults, pompholyx seldom occurs in the elderly.
需要提醒的是，它不是“腳氣”長在手上，也不會傳染。但是掐破水皰會導致皮膚破損，手又經常接觸各種東西，會增加感染的風險。汗皰疹常見于青壯年群體，孩子和青年人得的比較多，很少見到老年人長汗皰疹。
The exact cause remains unclear, but it is considered an eczema-like hypersensitivity reaction.
汗皰疹的病因還不十分清楚，目前被認為可能是一種皮膚濕疹樣反應。
Pompholyx is a self-limited disease, often resolving within weeks. Persistent or severe cases require medical attention.
汗皰疹是一種自限性疾病，一般半個月左右即可自愈，但如果出現長期反復不愈，或者感染化膿等情況，要及時就醫治療。
Preventive strategies emphasize skin protection and lifestyle adjustments. Maintaining hand dryness with pH-neutral cleansers, avoiding metal jewelry during wet tasks, and using cotton-lined gloves for chores are all ways to reduce irritation. Sunscreen and moisturizers fortify the skin barrier, while stress management through adequate sleep and anti-inflammatory diets rich in vegetables mitigate triggers. During unavoidable exposures, such as handling acidic foods, double-gloving with breathable inner layers and prompt replacement gloves for damp gloves are both essential.
日常生活中如果想要預防出現汗皰疹，可以著重于皮膚保護和生活方式的調整。比如保持手部的清爽干燥、在做家務時戴上有棉質襯里的手套減少皮膚刺激、保持充足的睡眠和食用富含維生素的蔬菜等。
編輯：黎霈融
實習生：趙苑如
來源：人民日報 生命時報
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