"treatise On The Application Of The Law" In Fuling

Poria, also known as FuTu, FuLing, SongShu, SongLing, etc. is the dry Poria cocos(Schw.) Wolf of Polyporaceae fungi. Growing near the pine root, the white medicine part(without the pine root) is often referred to as white Tuckahoe, usually processed in rectangle-sheet-shaped, so there are side-ling block, chip, known as Poria. Poria is grown in many places, such as Henan, Hubei, Anhui, Yunnan, Zhejiang, etc., and the one with better quality is grown in Yunnan, named as Yun-FuLing(YunLing for short). And the Zhe-Fuling produced in Zhejiang has a good quality too.Being presented to the public, "Shanghan Zabing Lun" reached an unprecedented level of Formulaology. There are 269 prescriptions in whole book, and the Shanghan part contains 113(missing one) prescriptions, with as many as 214 kinds of crude medicine. These prescriptions are very common in clinical treatment nowadays, so we honor it as the "The first prescription book. " The drugs of prescriptions are very thoroughly and completely considered, the dosage used in the recipe, is also very strict and precise.In "Shanghan Lun", there are 15 prescriptions about the FuLing. It is 13% of all 113 prescriptions. And 4 of the 15 prescriptions only use the fuling as an additional ingredient.FuLing is a bit of sweet, almost insipid. The tropism of the heart, lung, spleen and kidney channels. The light flavor can excret the dampness, Sweet can benefit the spleen, and placid nature can strengthen the spleen and calm the heart, and remove dampness and promot diuresis. FuLing is mainly used for the treatments of edema, oliguria, splenic asthenia, inappetence, loose stools, diarrhea, palpitation, insomnia. Whether the diseases are cold, hot, deficient, excess, FuLing can be applied to. Especially suitable for deficiency of both heart and spleen, the anxiety of heart and kidney caused by the disharmony between them, and spleen yang deficiency, qi-deplting spermatorrhea.1. Study of concerted applicationIn the 15 prescriptions about FuLing, there are other 30 ingredients work with the FuLing as synergy. Most commonly used drug with Fuling is licorice, with a maximum frequency of 10 times, the rate of 67%; Gradually, the more commonly used are:Bai Zhu & Guizhi 7 times, peony 6 times, ginseng & ginger 5 times, dried ginger & jujube 4 times; In addition, the synergy of the general frequency of use are:Aconite, Pinellia, Bupleurum, Scutellaria 3 times. Besides, fuling is important to the common diuretic prescriptions Wuling powder & Zhuling decoction. Polyporus, Alisma, as well as ephedra are 2 times. However, there are 15 other drugs in "Shanghan Lun" used only once with FuLing. There are 8 of 15 prescriptions about Fuling in "Shanghan Lun", containing the same dose of drugs with Fuling. In the four prescriptions, the peony takes the most percentage of 50%.2. Study of the regular pattern of dosage application In "Shanghan Lun", Zhongjing dosed the maximum amount of the FuLing to half a catty, that's the Fuling Guizhi Gancao Dazao decoction. Contrary, the minimum amount is 6 zhu, only in the mahuang shengma decoction. And the most commonly used dose of FuLing is 4 liang.3. Study of the treatment application of prescriptions In all the 15 prescriptions about Fuling,8 of them treating the dysuria rank the highest percentage, accounting for 53%. FuLing is a bit of sweet, almost insipid. The light flavor can excret the dampness and then get the effect of diuresis. In addition,6 prescriptions cure the palpitations, accounting for 40%.4. Study of the method for decocting and taking medicine We decoct FuLing in advance for Fuling Guizhi Gancao Dazao decoction, is intended to enhance the power of invigorating spleen for diuresis; GanLan Water is the water reduced the cold property which may help the water pathogen. About ephedra and rhubarb, we take two different decocting methods:Decocting ephedra in advance is to effectively eliminate/reduce the toxic action or side effect of ephedra; and Adding the rhubarb in the last phase is to keep the whole power of purging heat. Taking the medicine with the rice broth is for nourishing the gastric qi. Removing the dregs and then decocting the medicine again is to mellow it for the long-lasting effects and the reconciliation of the spleen and stomach.5. The development by posterity By the theory of Zhongjing's "Shanghan Zabing Lun", the posterity created many of the derivative FuLing prescriptions such as Sijunzi Decoction, Erchen Decoction, Liuwei Dihuang Wan, ShenLing Baishu powder, Wupi powder, etc.