湿燥论

On dampness and dryness

湿与燥,一阴一阳,异名同类,皆因于气所生,湿因于气虚不能运化,燥因于气虚不能生津.湿与燥在外感病及内伤病中,往往并存,外感病湿与燥可以兼夹,内伤病中,肺主燥,但可为湿邪所害;脾主湿,亦可因燥邪而伤;肾为水火之脏,燥湿相济.故在治疗上,外感病当明辨燥湿之转化,五脏病当权衡燥湿之多寡.凡辛温、发散之药皆不利于燥.酸咸厚重、辛凉沉降之药皆不利于湿.

Dampness and dryness,one is Yin and one is Yang,they are different names of the same kind,which are due to Qi,because of Qi deficiency,dampness can not be transported,because of Qi deficiency,dryness hinders fluid generation.Dampness and dryness often coexist in exogenous diseases and internal injuries,exogenous dampness and dryness can be combined with internal injury,lung manifests in dryness,but it can be harmed by dampness;spleen manifests in dampness,,but it can also be injured by dryness;kidney is the organ of water and fire,dryness and dampness is mutually beneficial.Therefore,in the treatment,exogenous diseases should distinguish the transformation of dryness and dampness,and the five viscera diseases should weigh the amount of dryness and dampness.All pungent and divergent medicine is not conducive to dryness.Sour,salty and heavy,cool drugs are not conducive to dampness.