夫大便卒不通者。由五脏气不调。阴阳偏。有虚实。三焦不和。冷热并结故也。胃为水
谷之海
有肠胃
治大便卒不通。心神烦闷。坐卧不安。宜服牵牛子丸方。
牵牛子（二两微炒） 川朴硝（一两） 大麻仁（一两） 川大黄（一两锉碎微炒） 甘
遂（半
两煨令黄） 木香（一两）
上件药。捣罗为末。炼蜜和捣三二百杵。丸如梧桐子大。每服空心。以生姜汤下二十丸。
如人行十里当通。如未通。即再服。强羸人
治大便卒不通。心腹气满闷。木香丸方。
木香（一两） 槟榔（一两） 川大黄（一两锉碎微炒） 桂心（半两） 巴豆霜（一
分） 川乌
头（半两炮裂去皮脐）
上件药。捣罗为末。研入巴豆霜令匀。炼蜜和丸。如梧桐子大。每服空心。以橘皮汤下
三丸。未效。加至五丸。
治大肠卒不通。腹胁胀满。气上冲心膈。宜服槟榔散方。
槟榔（一两） 枳壳（一两麸炒微黄去瓤） 牵牛子（一两微炒） 桑根白皮（一两锉）
川大
黄（一两锉碎微炒） 郁李仁（一两汤浸去皮尖微炒） 陈橘皮（一两汤浸去白瓤焙）
上件药。捣粗罗为散。每服四钱。以水一中盏。煎至六分。去滓。温服。如人行十里再
服。
治大便卒不通。气上奔心膈。宜服此方。
皂荚（一两去黑皮涂酥炙黄焦去子） 巴豆霜（一分） 阿魏（半两面裹煨令面熟为度）
五灵脂（一两）
上件药。捣罗为末。研入巴豆霜令匀。炼蜜和丸。如绿豆大。每服空心。以温生姜汤下
五丸。良久未效。再服七丸。
治大便卒不通。气闷绝方。
川大黄（半两锉碎微炒） 川朴硝（半两）
上件药。捣细罗为散。每服。以温蜜水调下二钱。
治大便卒涩结不通方。
猪脂（一两） 葵子末（一两半）
上件药相和。丸如梧桐子大。不计时候。以温水下三十丸。以通利为度。
又方。
羊蹄根（一两锉）
上以水一大盏。煎取六分。去滓。温温顿服之。
又方。
大麻仁（一两）
上以熟汤一大盏。研滤取汁。分为二服。
又方。
吴茱萸（五十粒生用） 栀子（十四枚） 川朴硝（一两）
上以水一大盏。煎取六分。去滓。下朴硝。空心。分为三服。
Sudden obstruction of defecation is caused by the disharmony of Qi in the five Zang organs, an imbalance of Yin and Yang, the presence of deficiency or excess patterns, dysfunction of the Sanjiao (Triple Burner), and the binding of cold and heat pathogens. The Stomach is the sea of water and grain, connected to the intestines. For sudden obstruction of defecation accompanied by mental restlessness, oppression, and inability to sit or lie comfortably, the Qian Niu Zi Wan (Pharbitis Seed Pill) formula is suitable.
Qian Niu Zi (Pharbitidis Semen, 2 liang, lightly stir-fried), Chuan Pu Xiao (Natrii Sulfas, 1 liang), Da Ma Ren (Cannabis Fructus, 1 liang), Chuan Da Huang (Rhei Radix et Rhizoma, 1 liang, sliced and lightly stir-fried), Gan Sui (Kansui Radix, 0.5 liang, baked until yellow), Mu Xiang (Aucklandiae Radix, 1 liang).
The above herbs are crushed, sieved into powder, mixed with refined honey, and pounded for three to two hundred strokes until uniform. Form pills the size of paulownia seeds. Take twenty pills on an empty stomach, washed down with ginger decoction. Defecation should occur after walking for approximately ten li. If not relieved, take again.
For sudden obstruction of defecation in weak or emaciated individuals, accompanied by abdominal fullness and oppression, the Mu Xiang Wan (Aucklandiae Pill) formula is suitable.
Mu Xiang (Aucklandiae Radix, 1 liang), Bing Lang (Arecae Semen, 1 liang), Chuan Da Huang (Rhei Radix et Rhizoma, 1 liang, sliced and lightly stir-fried), Gui Xin (Cinnamomi Cortex, 0.5 liang), Ba Dou Shuang (Crotonis Fructus Pulvis, 1 fen), Chuan Wu Tou (Aconiti Radix Lateralis Preparata, 0.5 liang, processed, skin and umbilicus removed).
The above herbs are crushed, sieved into powder, mixed thoroughly with Ba Dou Shuang (Crotonis Fructus Pulvis), and formed into pills the size of paulownia seeds using refined honey. Take three pills on an empty stomach, washed down with tangerine peel decoction. If ineffective, increase to five pills.
For sudden obstruction of the Large Intestine, accompanied by abdominal and hypochondriac distension, and Qi rushing upward to the heart and diaphragm, the Bing Lang San (Arecae Powder) formula is suitable.
Bing Lang (Arecae Semen, 1 liang), Zhi Ke (Aurantii Fructus, 1 liang, bran-fried until slightly yellow, pith removed), Qian Niu Zi (Pharbitidis Semen, 1 liang, lightly stir-fried), Sang Gen Bai Pi (Mori Cortex, 1 liang, sliced), Chuan Da Huang (Rhei Radix et Rhizoma, 1 liang, sliced and lightly stir-fried), Yu Li Ren (Pruni Semen, 1 liang, soaked in hot water, skin and tip removed, lightly stir-fried), Chen Ju Pi (Citri Reticulatae Pericarpium, 1 liang, soaked in hot water, white pith removed, dried).
The above herbs are coarsely ground into a powder. Take four qian per dose, decoct with one zhong of water until reduced to six parts, strain, and take warm. Take another dose after walking for approximately ten li.
For sudden obstruction of defecation with Qi rushing upward to the heart and diaphragm, this formula is suitable.
Zao Jiao (Gleditsiae Fructus, 1 liang, black skin removed, coated with lard, roasted until scorched yellow, seeds removed), Ba Dou Shuang (Crotonis Fructus Pulvis, 1 fen), A Wei (Ferulae Resina, 0.5 mian, wrapped in dough and baked until dough is cooked), Wu Ling Zhi (Trogopteri Dung, 1 liang).
The above herbs are crushed, sieved into powder, mixed thoroughly with Ba Dou Shuang (Crotonis Fructus Pulvis), and formed into pills the size of mung beans using refined honey. Take five pills on an empty stomach, washed down with warm ginger decoction. If no effect after a while, take seven more pills.
For sudden obstruction of defecation with suffocating Qi sensation.
Chuan Da Huang (Rhei Radix et Rhizoma, 0.5 liang, sliced and lightly stir-fried), Chuan Pu Xiao (Natrii Sulfas, 0.5 liang).
The above herbs are finely ground into a powder. Take two qian per dose, mixed with warm honey water.
For constipation characterized by涩 (astringent/stagnant) accumulation and obstruction.
Zhu Zhi (Porcine Adipose Tissue, 1 liang), Kui Zi Mo (Malvae Semen Pulvis, 1.5 liang).
Mix the above ingredients and form pills the size of paulownia seeds. Take thirty pills at any time with warm water, until bowel movement is facilitated.
Another prescription.
Yang Ti Gen (Polygoni Tinctorii Radix, 1 liang, sliced).
Decoct with one da zhong of water until reduced to six parts, strain, and drink warm in one go.
Another prescription.
Da Ma Ren (Cannabis Fructus, 1 liang).
Grind with one da zhong of boiled water, filter to extract juice, and divide into two doses.
Another prescription.
Wu Zhu Yu (Evodiae Fructus, 50 grains, raw), Zhi Zi (Gardeniae Fructus, 14 pieces), Chuan Pu Xiao (Natrii Sulfas, 1 liang).
Decoct with one da zhong of water until reduced to six parts, strain, add Pu Xiao (Natrii Sulfas), and divide into three doses taken on an empty stomach.