味辛．入手少阴厥阴经．功专去恶血．破结聚．得明矾治失心癫狂．得甘草、片脑治痘毒入心经不下行．上为吐衄．及下为尿血．用郁金末、韭汁、姜汁、童便服．痰中带血加入竹沥．