荨麻疹
近义词与同义词
按词义分组列出,使用时请结合具体语境。
an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs
基本解释
1.(荨xún)一种皮肤病。又称风疹块。症状是局部或全身性皮肤上突然成片出现红色肿块,甚痒。乍发乍退,不留痕迹,日或反复数次。急性的旬日可愈,慢性的往往持续数月。致病因素复杂,某些食物﹑药品﹑虫咬﹑细菌感染﹑接触刺激性物质及冷热过敏等,均可能引起此种病症。