陰寒內閉証(syndrome/pattern of yin cold blocking the internal),中醫証候名,屬陰寒証類,因陰寒邪毒直中,或秉質陽虛,陰寒內伏,閉阻氣機所致。臨床以面赤、身熱,或寒顫、肢冷,或吐或利,或小腹絞痛,大便不通,或咳喘、氣急,掣引胸脅,咳唾痰涎,甚則昏沉不省,舌卷、囊縮,舌質淡胖或青紫,舌苔白或黑滑,脈沉遲細微,或反浮大無根,伴見踡臥、煩躁,浮腫,手足指(趾)甲皆青等為特徵的証候。[1]