火毒閉肺証(syndrome/pattern of fire toxin blocking the lung),中醫証候名,屬火毒內攻証類,因火熱疫毒等邪熾盛,內閉肺氣所致。臨床以壯熱,咳喘、痰黃,或痰中帶血,鼻翼煽張,胸高、脅滿,驟然面色蒼白,口唇紫紺,四肢厥逆,煩躁不寧,嗜睡或神昏,舌質紅而少津,舌苔黃膩或黃燥,脈洪數或細澀無力,指紋紫滯,可伴見嗆奶,嘔吐,口渴引飲,大便秘結等為特徵的証候。[1]