水毒內閉証(syndrome/pattern of internal block of water toxin),中醫証候名,屬水毒証類,因水毒蘊積,閉阻三焦,上蒙心神所致。臨床以神志恍惚,嗜睡、昏蒙,噁心,嘔吐,全身浮腫,腹大如鼓,尿少或尿閉,呼氣有尿味,面色晦暗,舌質淡胖,舌苔垢膩或厚膩,脈沉細等為特徵的証候。[1]