证见:初起者形若粟米,搔痒无度,日轻夜重,其发多无定处或竞布遍全身.若抓破则流黄汁,浸淫成片.久则风毒郁结肌肤,耗血而火生,瘙痒更加剧烈,溃破则流血水.常伴有心烦不寐,咽干口渴,大便燥结,小便赤涩.[详细]