補肺湯 Bu Fei Tang

【製法用量】

人參1錢  黃耆蜜炙1錢  五味子炒1錢  紫菀1錢  桑白皮蜜炙2錢  熟地黃2錢  
入蜜少許和服。

【主治】

治肺虛欬嗽。

【文獻別錄】

  1. 劉宗厚曰:因勞而嗽,則非嗽為本也。故此湯與金匱腎氣丸為少陰例藥。
  2. 仁齋直指曰:肺出氣也。腎納氣也。肺為氣主,腎為氣本,凡欬嗽暴重,自覺氣從臍下逆上者,此腎虛不能收氣歸元,當用地黃丸,安腎丸,毋徒從事于肺,此虛則補子之義也。
  3. 醫貫曰:五行惟肺腎二臟,母病而子受邪,何則,肺主氣,肺有熱,氣得熬而上蒸,不能下生于腎,腎受傷矣。腎傷則肺益病,蓋母藏子宮,子隱母胎,凡人肺金之氣,夜臥則歸藏于腎水之中,因肺受心火之邪。欲下避水中,而腎水乾枯,火無可容之地,因是復上而為病矣。

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