Any of several viral diseases causing the eruption of small blisterlike vesicles on the skin or mucous membranes, especially herpes simplex or herpes zoster.

• 疱疹几种病毒性疾病之一，引起皮肤表层水泡状小泡或粘膜发疹，尤指单纯性疱疹或带状疱疹