血熱內陷証(syndrome/pattern of blood heat sinking into the internal),中醫証候名,屬血熱內盛証類,因瘡癤疫毒蘊伏血分,內陷臟腑所致。臨床以寒熱、口渴,渴不欲飲,瘡癤漫腫,瘡色紫滯,瘡面乾枯,或紅斑紫暗,疱疹倒靨,躁動不安,甚則神昏、譫語,喘促氣急,舌質紅絳,脈沉伏疾數等為特徵的証候。[1]