液脫病(humor desertion disease),中醫病名,屬脫病類,因外感熱病,或突發劇烈嘔吐、腹瀉等,致使津液急劇耗失,氣陰欲脫所致。臨床以口渴、唇枯,少尿或無尿,肌膚乾癟,目眶凹陷,四肢冰冷,起立暈厥,甚則嗜睡、意識不清,脈微或細數等為特徵的脫病。[1]