〔《活》〕寒毒入胃者，脐下必寒，腹满胀，大便黄白，或青黑，或下利清谷，宜四逆汤、理中汤、白通加
附子汤、四逆加薤白散。挟热利者，脐下必热，大便赤黄色，及肠间津汁垢腻，宜黄芩汤、白头翁汤、三
黄熟艾汤、薤白汤、赤石脂汤。
三黄熟艾汤 治伤寒四日而大下，热利时作，白通汤诸药多不得止，宜服此汤除热止利。
黄芩 黄连 黄柏 熟艾（半鸡子大）
上 咀，水煎温服。
薤白汤 治伤寒下利如烂肉汁，赤带下，伏气腹痛诸热，悉主之。
豆豉（半合，绵裹） 薤白（一握） 山栀（七枚）
上 咀，用水二升半，先将栀子十沸，下薤白煎至二升，下豉，煎取一升二合，温服。
赤石脂丸 治伤寒热利。
赤石脂（一两） 黄连 当归（各二两） 干姜（炮，一两）
上为末，炼蜜丸，如桐子大。每服三十丸，米饮下，日三服。
湿毒瓦斯盛者，下利腹痛，大便如脓血，或如烂肉汁，宜桃花汤、地榆散、黄连阿胶散。
地榆散 治伤寒热毒不解，日晚即壮热腹痛，便利脓血。
地榆 犀角屑 黄连（炒） 葛根（各一两） 栀子仁（半两） 黄芩（一两）
上 咀，每服四钱，水一盏，入薤白五寸同煎，温服。
〔海〕阿胶汤 治伤寒热毒入胃，下利脓血。
黄连（炒，二两） 山栀（半两） 阿胶（炒） 黄柏（各一两）
上 咀，每服四钱，水煎服。
〔云〕伤寒汗下后，大小便利者，腹中痛者，宜燥肠丸。
附子（炮，一枚） 龙骨（半两） 干姜（一两） 吴茱萸 粟壳 诃黎皮（各半两）
上为细末，酒糊丸，如桐子大。每服三十丸，温水下。利止勿服。
伤寒汗下后，裹急后重下利者，宜七宣丸。
大黄（一两） 桃仁（去皮尖，三十枚） 木香 槟榔 柴胡 诃子皮 甘草（各半两）
上为细末，炼蜜丸，如桐子大。每服五十丸，温水下。
伤寒汗下后，气逆利不止者，寒也，宜枳实芍药甘草汤。
芍药 甘草 枳实（炒） 干姜（炮。各半两）
上 咀，每服五钱，水煎服。
According to the *Luo Ren Shu* (Book of Living Persons): When cold pathogenic toxins invade the stomach, there is necessarily coldness below the umbilicus, abdominal fullness and distension, yellowish-white stools, or greenish-black stools, or diarrhea with undigested food. In such cases, Si Ni Tang (Four Reversal Decoction), Li Zhong Tang (Regulate the Middle Decoction), Bai Tong Jia Fu Zi Tang (Bai Tong Decoction plus Aconite), and Si Ni Jia Xie Bai San (Si Ni Decoction plus Allium Macrostemon Powder) are appropriate. For diarrhea accompanied by heat pathogens, there is necessarily heat below the umbilicus, reddish-yellow stools, and turbid, greasy fluids in the intestines. In such cases, Huang Qin Tang (Scutellaria Decoction), Bai Tou Weng Tang (Pulsatilla Decoction), San Huang Shu Ai Tang (Three Yellows and Cooked Mugwort Decoction), Xie Bai Tang (Allium Macrostemon Decoction), and Chi Shi Zhi Tang (Red Halloysite Decoction) are appropriate.
San Huang Shu Ai Tang (Three Yellows and Cooked Mugwort Decoction): Treats heat diarrhea that occurs intermittently after severe purgation for Tai Yang disease (Exterior Syndrome of the Tai Yang Channel). Since Bai Tong Tang and other medications often fail to stop it, this decoction should be taken to clear heat and stop diarrhea.
Ingredients: Huang Qin (Scutellariae Radix), Huang Lian (Coptidis Rhizoma), Huang Bo (Phellodendri Cortex), Shu Ai Ye (Cooked Artemisiae Argyi Folium, size of half a chicken egg).
Preparation and Administration: The herbs are cut into small pieces, decocted in water, and taken warm.
Xie Bai Tang (Allium Macrostemon Decoction): Treats diarrhea resembling rotten meat juice in Tai Yang disease, accompanied by bloody leukorrhea, and various heat syndromes caused by latent qi leading to abdominal pain. It addresses all these conditions.
Ingredients: Dou Chi (Prepared Soybean, half he, wrapped in silk gauze), Xie Bai (Allii Macrostemonis Bulbus, one handful), Shan Zhi (Gardeniae Fructus, seven fruits).
Preparation and Administration: The herbs are cut into small pieces. Using two and a half sheng of water, boil Gardeniae Fructus for ten cycles first, then add Allii Macrostemonis Bulbus and decoct until two sheng remain. Add Prepared Soybean and decoct until one sheng and two tou remain. Take warm.
Chi Shi Zhi Wan (Red Halloysite Pill): Treats heat diarrhea in Tai Yang disease.
Ingredients: Chi Shi Zhi (Halloysitum Rubrum, one liang), Huang Lian (Coptidis Rhizoma), Dang Gui (Angelicae Sinensis Radix, each two liang), Gan Jiang (Zingiberis Rhizoma, processed, one liang).
Preparation and Administration: Grind the herbs into fine powder, mix with refined honey to form pills the size of paulownia seeds. Take thirty pills per dose, washed down with rice drink, three times daily.
When damp-toxic qi is abundant, diarrhea with abdominal pain occurs, and stools resemble pus and blood or rotten meat juice. Tao Hua Tang (Peach Kernel Decoction), Di Yu San (Sanguisorba Powder), and Huang Lian E Jiao San (Coptidis and Donkey-Hide Gelatin Powder) are appropriate.
Di Yu San (Sanguisorba Powder): Treats unresolved heat toxin from Tai Yang disease, characterized by high fever and abdominal pain in the evening, and passage of pus and blood in stools.
Ingredients: Di Yu (Sanguisorbae Radix), Xi Jiao Xie (Rhinocerotis Cornu, shaved), Huang Lian (Coptidis Rhizoma, stir-fried), Ge Gen (Puerariae Lobatae Radix, each one liang), Zhi Zi Ren (Gardeniae Fructus, half liang), Huang Qin (Scutellariae Radix, one liang).
Preparation and Administration: Cut the herbs into small pieces. For each dose of four qian, use one cup of water, add five cun of Xie Bai, decoct together, and take warm.
According to Hai Cang Xian Sheng (Mr. Zhang Congzheng): E Jiao Tang (Donkey-Hide Gelatin Decoction): Treats heat toxin invading the stomach in Tai Yang disease, causing diarrhea with pus and blood.
Ingredients: Huang Lian (Coptidis Rhizoma, stir-fried, two liang), Shan Zhi (Gardeniae Fructus, half liang), E Jiao (Colla Corii Asini, stir-fried), Huang Bo (Phellodendri Cortex, each one liang).
Preparation and Administration: Cut the herbs into small pieces. For each dose of four qian, decoct in water and take.
According to Yun Qi Zi (Master Yun Qi): After sweating or purgation in Tai Yang disease, if urination and defecation are unobstructed but abdominal pain persists, Zao Chang Wan (Dry Intestine Pill) is appropriate.
Ingredients: Fu Zi (Aconiti Lateralis Radix Praeparata, processed, one piece), Long Gu (Fossilia Ossis Mastodi, half liang), Gan Jiang (Zingiberis Rhizoma, one liang), Wu Zhu Yu (Evodiae Fructus), Su Ke (Pericarpium Papaveris), He Li Pi (Chebulae Pericarpium, each half liang).
Preparation and Administration: Grind the herbs into fine powder, mix with wine paste to form pills the size of paulownia seeds. Take thirty pills per dose, washed down with warm water. Do not continue taking once diarrhea stops.
After sweating or purgation in Tai Yang disease, if there is tenesmus (urgency and straining) with diarrhea, Qi Xuan Wan (Seven Unblocking Pills) is appropriate.
Ingredients: Da Huang (Rhei Radix et Rhizoma, one liang), Tao Ren (Persicae Semen, peeled and removed of kernels, thirty seeds), Mu Xiang (Aucklandiae Radix), Bing Lang (Arecae Semen), Chai Hu (Bupleuri Radix), He Zi Pi (Terminaliae Chebulae Pericarpium), Gan Cao (Glycyrrhizae Radix et Rhizoma, each half liang).
Preparation and Administration: Grind the herbs into fine powder, mix with refined honey to form pills the size of paulownia seeds. Take fifty pills per dose, washed down with warm water.
After sweating or purgation in Tai Yang disease, if there is rebellious qi and unremitting diarrhea, it is a cold syndrome. Zhi Shi Shao Yao Gan Cao Tang (Immature Bitter Orange, Peony, and Licorice Decoction) is appropriate.
Ingredients: Shao Yao (Paeoniae Radix), Gan Cao (Glycyrrhizae Radix et Rhizoma), Zhi Shi (Aurantii Immaturus, stir-fried), Gan Jiang (Zingiberis Rhizoma, processed, each half liang).
Preparation and Administration: Cut the herbs into small pieces. For each dose of five qian, decoct in water and take.