元氣敗脫証(syndrome/pattern of primordial qi decline),中醫証候名,屬元氣不足証類,因外感、內傷耗損真元,陰不戀陽,元氣暴脫所致。臨床以驟然冷汗淋漓,四肢逆冷,口開、手撒,氣息微弱,二便失禁,神志昏憒,甚則昏迷不醒,瞳神散大,舌質暗淡或紫,脈微欲絕等為特徵的証候。[1]