血熱化燥証(syndrome/pattern of blood heat transforming into dryness),中醫証候名,屬血熱傷陰証類,因熱邪深入血分,傷陰化燥所致。臨床以身熱夜甚,咽干、口燥,渴不多飲,大便乾結,形瘦、神疲,舌質紅絳,舌苔少而干,脈細數等為特徵的証候。[1]