內燥証(syndrome/pattern of internal dryness),中醫証候名,屬燥証類,因久病虛損,陰血津液不足,機體失卻濡潤所致。臨床以皮膚粗燥或脫屑、瘙癢,咽喉乾燥,唇裂、皺揭,口渴引飲,大便乾結,小便短少,舌質偏紅或瘦,舌苔干而少津,脈細或數,可伴見形體消瘦,肌膚甲錯,關節僵痛等為特徵的証候。[1]