'Poyu Dan' for Persistent Belching and Hiccups
The Ming-dynasty Wanbing Huichun (Restoring Health to Myriad Diseases) by Gong Tingxian records a formula called Poyu Dan (Stasis-Breaking Pill). Its composition is: Xiangfumi (Cyperus Rhizome, vinegar-processed) 4 liang (120 g), Zhiren (stir-fried Gardenia Seed) 4 liang (120 g), Huanglian (Coptis, processed with ginger juice)…
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