肝脹(liver distension),中醫病名,屬肝系病類,因飲食、勞倦或外邪傷肝,肝失疏泄,氣血郁滯所致。臨床以右脅脹痛,右脅下觸及腫塊,喜按喜揉,叩擊則痛,可伴見疲勞、乏力,納滯,腹痛等為特徵的肝系病。[1]