治脏虚，泄泻无度。
黄连(炒) 乌梅肉 当归 川椒(炒出汗) 桂心 干姜(炮，各等分)
上为末，糊丸，梧子大。每服三五十丸，米汤空腹服。
小承气汤 治下利谵语者，有燥屎故也(方见伤寒门)。夫泄泻却用大黄者，乃通因通用
也。非大实热，勿轻用之。
治久患脾泄泻。
生姜（四两） 黄连（一两）
上皆锉如豆大，一处慢火炒令姜焦赤，去姜，碾黄连为细末。每服二钱，空腹腊茶清调
下；或将姜为末，米饮调，治白痢亦效。
治五泄，或青白五色杂下，休作无时。
乌头(炮去皮尖，三分） 浓朴(去皮锉，姜制炒) 甘草(炙) 干姜(炮，各一分)
上为末。每服二钱，水一盏，姜三片，煎七分，热服。
川乌头（四两，米泔浸软，去皮切片，用盐四两炒黄，去盐不用) 半夏(汤洗七次去滑)
苍术（各半斤，米泔浸净洗)
上为末，姜汁糊为丸，梧子大。空腹米汤下五六十丸。
治脾胃受湿，泄利不止；及米谷不化，小儿疳痢，并宜服之。
黄连 吴茱萸(汤洗) 白芍药（各等分）
上三味，同炒为细末，米糊丸，如梧子大。每服三五十丸，米汤空腹下；小儿量与之。
治脾泄不止，食积不消， 瘕块结，大肠滑泄，脏毒下利，腹痛肠鸣。
麦 (炒，三两） 神曲(炒，二两） 茴香(炒) 草果(逐个用面裹煨熟) 浓朴(制) 干姜(
炮) 陈皮（各一两） 木香(生，半两） 甘草(炙，半两)
上为末。脾泄泻，诃子汤入盐调下二钱；脾虚肠鸣，气不和，泻不止，炒姜酒调下。常服盐汤点，空心食前服。
治疗脏腑虚弱，腹泻无节制。
黄连（炒制）、乌梅肉、当归、川椒（炒至出油）、桂心、干姜（炮制，各等分）
以上药物研为细末，用米糊制成丸药，大小如梧桐子。每次服用三五十丸，空腹时用米汤送服。
小承气汤：治疗下利且伴有谵语的患者，这是因为体内有燥屎所致（方剂详情见伤寒章节）。对于泄泻却使用大黄的情况，这是运用了“通因通用”的治疗方法。如果不是大实热证，不要轻易使用此法。
治疗长期患有的脾虚泄泻。
生姜（四两）、黄连（一两）
将上述药物切碎如豆粒大小，放在一处用慢火炒至生姜焦红，去掉生姜，将黄连碾成细末。每次服用二钱，空腹时用腊茶清调服；或者将生姜研成末，用米饮调服，治疗白痢也有效。
治疗五泄，或青色、白色及五色混杂而下，发作没有定时。
乌头（炮制后去皮尖，三分）、浓朴（去皮切碎，姜汁制后炒制）、甘草（炙制）、干姜（炮制，各一分）
以上药物研为细末。每次服用二钱，加水一盏，生姜三片，煎煮至七分量，热服。
川乌头（四两，用米泔水浸泡变软，去皮切片，用盐四两炒黄，去盐不用）、半夏（开水洗七次以去除滑腻感）、苍术（各半斤，用米泔水浸泡洗净）
以上药物研为细末，用姜汁和米糊制成丸药，大小如梧桐子。空腹时用米汤送服五六十丸。
治疗脾胃受湿邪侵袭，泄利不止；以及饮食不化、小儿疳积痢疾，都适宜服用。
黄连、吴茱萸（开水洗）、白芍药（各等分）
以上三味药，一同炒制后研为细末，用米糊制成丸药，大小如梧桐子。每次服用三五十丸，空腹时用米汤送服；小儿根据情况酌情给予。
治疗脾虚泄泻不止，食积不消，瘕块结聚，大肠滑泄，脏毒下利，腹痛肠鸣。
麦芽（炒制，三两）、神曲（炒制，二两）、茴香（炒制）、草果（逐个用面皮包裹煨熟）、浓朴（炮制）、干姜（炮制）、陈皮（各一两）、木香（生用，半两）、甘草（炙制，半两）
以上药物研为细末。若是脾虚泄泻，用诃子汤加盐调服二钱；若是脾虚导致肠鸣、气机不和、泄泻不止，用炒姜酒调服。日常服用可用盐汤点服，在空心、进食前服用。
Treats deficiency of the Zang organs, with uncontrolled diarrhea.
Coptidis Rhizoma (Stir-fried), Mescae Fructus, Angelicae Sinensis Radix, Zanthoxyli Pericarpium (Stir-fried until oil exudes), Cinnamomi Cortex, Zingiberis Rhizoma Preparatum (Pao, equal parts)
Grind the above into powder, make pills with paste, size of Sophora japonica seeds. Take 30-50 pills per dose, taken on an empty stomach with rice soup.
Xiao Chengqi Tang: Treats dysentery accompanied by delirious speech, caused by dry feces (see Formula section in Shanghan for details). Using Rhei Radix et Rhizoma for diarrhea is an application of "treating obstruction with unblocking methods" (Tong Yin Tong Yong). Do not use lightly unless there is a severe excess-heat syndrome.
Treats chronic Spleen-deficiency diarrhea.
Zingiberis Rhizoma Recens (4 liang), Coptidis Rhizoma (1 liang)
Chop both into bean-sized pieces, stir-fry slowly together until the ginger turns scorched red, remove the ginger, and grind the Coptidis Rhizoma into fine powder. Take 2 qian per dose, mixed with strong tea liquor on an empty stomach; alternatively, mix ginger powder with rice drink. This is also effective for treating white dysentery.
Treats Wuxie (Five Diarrheas), or stool mixed with green, white, and five colors, occurring irregularly.
Aconiti Lateralis Radix Preparata (Pao, skin and tip removed, 3 fen), Magnoliae Officinalis Cortex (Skin removed, chopped, processed with ginger juice and stir-fried), Glycyrrhizae Radix et Rhizoma (Zhi), Zingiberis Rhizoma Preparatum (Pao, 1 fen each)
Grind the above into powder. Take 2 qian per dose, with one cup of water and three slices of ginger, decoct to 0.7 cup, take hot.
Sichuan Aconite Root (4 liang, soaked in rice washing water until soft, skin removed, sliced, stir-fried with 4 liang salt until yellow, discard salt), Pinelliae Tuber (washed seven times in boiling water to remove acridity), Atractylodis Rhizoma (each 0.5 jin, washed clean after soaking in rice washing water)
Grind the above into powder, make pills with ginger juice and rice paste, size of Sophora japonica seeds. Take 50-60 pills on an empty stomach with rice soup.
Treats dampness invading the Spleen and Stomach, causing persistent diarrhea; as well as undigested food, pediatric Ganji dysentery. All are suitable for this formula.
Coptidis Rhizoma, Evodiae Fructus (washed with boiling water), Paeoniae Radix Alba (equal parts)
Stir-fry the above three ingredients together, grind into fine powder, make pills with rice paste, size of Sophora japonica seeds. Take 30-50 pills per dose, taken on an empty stomach with rice soup; dosage for children should be adjusted accordingly.
Treats persistent Spleen-diarrhea, indigestion, mass formation, large intestine slippage/diarrhea, Zangdu dysentery, abdominal pain, and borborygmus.
Malt (Stir-fried, 3 liang), Medicated Leaven (Stir-fried, 2 liang), Foeniculi Fructus (Stir-fried), Tsaoko Fructus (wrapped in dough and roasted thoroughly), Magnoliae Officinalis Cortex (Processed), Zingiberis Rhizoma Preparatum (Pao), Citri Reticulatae Pericarpium (each 1 liang), Aucklandiae Radix (Raw, 0.5 liang), Glycyrrhizae Radix et Rhizoma (Zhi, 0.5 liang)
Grind the above into powder. For Spleen-diarrhea, take 2 qian mixed with Hezi Decoction and salt; for Spleen-deficiency with borborygmus, Qi disharmony, and persistent diarrhea, take mixed with stir-fried ginger wine. For daily maintenance, take with salt water, before meals on an empty stomach.