味苦氣寒．入手太陰少陰少陽太陽陽明經(jīng)．功專瀉火．得白術(shù)安胎．得柴胡退寒熱．得芍藥治痢．得濃樸、黃連止腹痛身熱如火燎．煩燥引飲而晝盛者．宜一味黃芩湯．以瀉肺經(jīng)氣分之火．黃芩一兩煎服．本事方治崩中暴下．惟血虛中寒者禁用．瀉大腸火用子芩．瀉肺火用片芩．上行酒炒．瀉肝膽火豬膽汁炒．山茱、龍骨為使．畏丹皮、丹砂．