口唇疱疹(颜面疱疹)是单纯疱疹中最常见的一型,是人类单纯疱疹病毒所致.传染方式主要是通过直接接触传染,亦可通过被唾液污染的餐具而间接传染.口唇疱疹发病后的临床表现:初起局部往往有灼热、瘙痒及潮红,继而出现密集成群或数群针头大小水疱,水疱破裂后而糜烂渗液、逐渐干燥结痂,全程1～2周,愈后局部暂时留有色素沉着,损害好发于皮肤粘膜交界处,如口角、唇缘及鼻孔附近等部位. Oral cold sores (herpes zoster) is the most common type of herpes simplex, is caused by the human herpes simplex virus infection mainly through direct contact with infection, but also indirectly through the tableware contaminated with saliva and oral herpes after onset Clinical manifestations: the early part of the local tend to have burning, itching and flushing, and then dense clusters or groups of needle size blisters, blisters and erosion erosion after effusion, and gradually dry scab, the whole 1 to 2 weeks, the more temporary temporary stay Pigmentation, damage occurs in the skin and mucous membrane junction, such as mouth, lip and nostril near other parts.