颠倒散医宗金鉴里有2种，
一种是气血颠倒（木香，郁金）
一种是寒热颠倒（大黄，硫磺）
颠倒的意思，
– 方子药量一比一则阴阳平衡，用量上的倾斜则可使阴阳颠倒
– 比如，气郁严重则木香的分量应该加倍于郁金
– 又如，血淤严重则郁金的分量应该加倍于木香

参阅资料
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https://mbd.baidu.com/ug_share/mbox/4a83aa9e65/share?product=smartapp&tk=36a15c425a7079d96d1831aeae0f960a&share_url=https%3A%2F%2Fvhsagj.smartapps.baidu.com%2Fpages%2Flemma%2Flemma%3FlemmaTitle%3D%25E9%25A2%25A0%25E5%2580%2592%25E6%259C%25A8%25E9%2587%2591%25E6%2595%25A3%26lemmaId%3D2354863%26from%3DbottomBarShare%26_swebfr%3D1%26_swebFromHost%3Dbaiduboxapp&domain=mbd.baidu.com

http://www.360doc.com/content/20/0518/10/3798677_913043649.shtml

https://www.ys991.com/zhongyi/cy/5653.html