疽毒內陷(internal sinking of carbuncle toxin),中醫病名,屬疽類,因癰疽正不勝邪,毒不外泄,反陷入內,客於營血,內傳臟腑所致。臨床以瘡瘍平塌散漫,瘡色紫滯,或乾陷無膿,或膿水灰綠,新肉不生,伴見寒戰、高熱,煩躁不安,神昏、譫語等為特徵的瘡瘍危重症。[1]