血热动风证(syndrome/pattern of blood-heat with wind stirring),属血分证类,因温热疫毒等邪深入血分,耗损阴血,筋脉失养,虚风内动所致。临床以手足蠕动或瘈疭,形体消瘦,神疲倦怠,齿干、唇裂,舌质绛,舌苔无,脉细数,指纹紫青,伴见潮热,胸腹灼热,斑疹隐现等为特征的证候。[1]