蛇毒內陷証(syndrome/pattern of internal sinking of snake venom),中醫証候名,屬蛇毒証類,因毒蛇咬傷後失治、誤治,蛇毒內陷心肝所致。臨床以蛇咬傷後局部腫勢突然消減,紅腫轉為紫暗、紫黑,舌質紅絳,脈細數,伴見高熱,躁狂不安,抽搐、厥逆,神昏、譫語等為特徵的証候。[1]