火毒內陷証(syndrome/pattern of fire toxin sinking into the internal),中醫証候名,屬火毒內攻証類,因火熱邪毒熾盛,壅滯肌表,內陷臟腑所致。臨床以患處或創面由紅腫灼痛轉為紫暗或紫黑,腫勢雖減,驟然出現高熱、肢冷,神昏、譫妄,躁擾、抽搐,便秘、尿黃,舌質紅絳,舌苔黃或焦燥,脈沉數等為特徵的証候。[1]