火毒陷营证(syndrome/pattern of fire toxin sinking into the nutrient phase),中医证候名,属火毒内攻证类,因火热邪毒炽盛,或疔疮走散,邪毒内陷营血所致。临床以疮顶黑陷,或疮面紫暗,疮口干枯、无脓,肿势散漫,迅速向四周扩散,舌质红绛,舌体硬,脉沉数或弦滑,可伴见寒战、高热,头痛,口渴,烦躁,黄疸,皮肤发斑,甚则神昏、谵语等为特征的证候。[1]