三因大黄左经汤治四气流注足阳明经使腰脚赤肿痛不可行大小便秘或恶闻食气喘满自汗
细辛 茯苓 羌活 大黄(煨) 甘草(炙) 前胡 枳壳 浓朴(制) 黄芩 杏仁(等分)
上 咀每半两入姜枣煎
按此出阳明例治湿热疏风导气药也
加味败毒散治足三阳经受热毒瓦斯流注脚踝上 赤肿痛寒热如疟自汗恶风或无汗恶寒
羌活 独活 前胡 柴胡 枳壳 桔梗 甘草 人参 茯苓 川芎 大黄 苍术(等分)
上 咀每半两入姜煎
按此出少阳例治风湿热气血药也
东垣羌活导滞汤治香港脚初发一身尽痛或肢节肿痛便溺阻隔先以此药导之后用当归拈痛汤
羌活 独活(各半两) 防己 当归(各三钱) 大黄(酒湿煨一两) 枳实(炒二钱) 上
咀每五钱或七钱水煎服
按此出阳明例治风热之药也
济生槟榔汤治一切脚痛顺气防壅
槟榔 香附子 陈皮 紫苏叶 木瓜 五加皮 甘草(炙各一两)
上 咀每四钱或半两入姜煎
大腹皮散治诸香港脚肿痛小便不利
槟榔 荆芥穗 乌药 陈皮 紫苏叶(各一两) 萝卜子(炒半两) 沉香 桑白皮 枳壳
(炒各一两半) 大腹皮(三两) 木瓜(二两半) 紫苏子(炒)
上 咀每半两入姜煎
澹寮方治香港脚入腹冲心疼痛肿满大小便秘
沉香 木香 羌活 白芍 槟榔(各五钱) 甘草 抚芎 青皮 枳壳(各二钱) 紫苏叶
木瓜(各一钱半) 苏子(六钱)
上 咀每半两入姜煎
按以上三方因于气滞气壅者可用故收入然不可防壅而服大抵因气者宜取择焉
三因大黄左经汤：治疗四气（风、寒、暑、湿）流注于足阳明胃经，导致腰部和脚部红肿疼痛、无法行走，大小便不通畅，或者厌恶进食、气喘胸闷、自汗出的症状。
药材组成：细辛、茯苓、羌活、大黄（煨制）、甘草（炙制）、前胡、枳壳、浓朴（炮制）、黄芩、杏仁（各等分）。
煎服法：将药物捣碎成粗末，每次取半两，加入生姜和大枣煎煮服用。
按语：此方出自阳明病的治疗范例，属于治疗湿热、疏风、导气的药物。
加味败毒散：治疗足三阳经（足太阳膀胱经、足少阳胆经、足阳明胃经）受邪热毒之气流注于脚踝，出现红肿疼痛、寒热往来如疟疾状、自汗恶风或无汗恶寒的症状。
药材组成：羌活、独活、前胡、柴胡、枳壳、桔梗、甘草、人参、茯苓、川芎、大黄、苍术（各等分）。
煎服法：将药物捣碎成粗末，每次取半两，加入生姜煎煮服用。
按语：此方出自少阳病的治疗范例，属于治疗风湿热及气血失调的药物。
东垣羌活导滞汤：治疗香港脚（脚气病）初发时，全身尽痛或肢节肿痛，大小便阻隔不通，先用此药疏导积滞，之后再用当归拈痛汤治疗。
药材组成：羌活、独活（各半两）、防己、当归（各三钱）、大黄（酒润后煨制，一两）、枳实（炒制，二钱）。
煎服法：将药物捣碎成粗末，每次取五钱或七钱，用水煎煮服用。
按语：此方出自阳明病的治疗范例，属于治疗风热的药物。
济生槟榔汤：治疗各种脚痛，顺理气机，防止气机壅滞。
药材组成：槟榔、香附子、陈皮、紫苏叶、木瓜、五加皮、甘草（炙制，各一两）。
煎服法：将药物捣碎成粗末，每次取四钱或半两，加入生姜煎煮服用。
大腹皮散：治疗各种香港脚（脚气病）引起的肿痛，以及小便不利。
药材组成：槟榔、荆芥穗、乌药、陈皮、紫苏叶（各一两）、萝卜子（炒制，半两）、沉香、桑白皮、枳壳（炒制，各一两半）、大腹皮（三两）、木瓜（二两半）、紫苏子（炒制）。
煎服法：将药物捣碎成粗末，每次取半两，加入生姜煎煮服用。
澹寮方：治疗香港脚（脚气病）邪气入腹，冲逆至心引起疼痛，伴有肿胀满闷，大小便不通畅。
药材组成：沉香、木香、羌活、白芍、槟榔（各五钱）、甘草、抚芎（川芎的一种）、青皮、枳壳（各二钱）、紫苏叶、木瓜（各一钱半）、苏子（六钱）。
煎服法：将药物捣碎成粗末，每次取半两，加入生姜煎煮服用。
按语：以上三方适用于因气机阻滞、气机壅盛导致的病症，因此收录于此。但不可为了预防壅滞而随意服用，大体上因气机问题致病者，应当仔细选择使用。
San Yin Da Huang Zuo Jing Decoction (Three Causes Rhubarb Left Meridian Decoction): Treats the flow and accumulation of the Four Qi (Wind, Cold, Summer-heat, Dampness) into the Foot-Yangming Stomach Meridian, causing redness, swelling, pain in the waist and legs making walking impossible, constipation or urinary difficulty, aversion to food, asthma with chest fullness, and spontaneous sweating.
Ingredients: Xixin (Asari Radix et Rhizoma), Fuling (Poria), Qianghuo (Notopterygii Rhizoma et Radix), Dahuang (Rhei Radix et Rhizoma, baked), Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried), Qianhu (Peucedani Radix), Zhike (Aurantii Fructus Immaturus), Nongpo (Magnoliae Officinalis Cortex, processed), Huangqin (Scutellariae Radix), Xingren (Armeniacae Semen Amarum) in equal parts.
Preparation and Administration: Coarsely crush the herbs. Take 1.5 g per dose, decoct with fresh ginger and jujube.
Commentary: This formula is derived from the treatment principles of the Yangming stage, serving as a medication for clearing damp-heat, dispersing wind, and guiding qi.
Jia Wei Bai Du San (Modified Decoction to Overcome Toxins): Treats heat toxins flowing and accumulating in the Foot-Taiyang Bladder Meridian, Foot-Shaoyang Gallbladder Meridian, and Foot-Yangming Stomach Meridian, affecting the ankles, causing redness, swelling, pain, alternating chills and fever resembling malaria, spontaneous sweating with aversion to wind, or absence of sweating with aversion to cold.
Ingredients: Qianghuo (Notopterygii Rhizoma et Radix), Duhuo (Angelicae Pubescentis Radix), Qianhu (Peucedani Radix), Chaihu (Bupleuri Radix), Zhike (Aurantii Fructus Immaturus), Jiegeng (Platycodonis Radix), Gancao (Glycyrrhizae Radix et Rhizoma), Renshen (Ginseng Radix), Fuling (Poria), Chuanxiong (Ligustici Chuanxiong Rhizoma), Dahuang (Rhei Radix et Rhizoma), Cangzhu (Atractylodis Rhizoma) in equal parts.
Preparation and Administration: Coarsely crush the herbs. Take 1.5 g per dose, decoct with fresh ginger.
Commentary: This formula is derived from the treatment principles of the Shaoyang stage, serving as a medication for treating wind-damp-heat and regulating qi and blood.
Dong Yuan Qiang Huo Dao Zhi Tang (Li Dongyuan's Notopterygium Decoction to Guide Stagnation): Treats the initial onset of Hong Kong Foot (Ji Qi / Beriberi), characterized by generalized body pain or swelling and pain in the joints, and obstruction of urination and defecation. Use this decoction first to guide out stagnation, followed by Danggui Nian Tong Tang.
Ingredients: Qianghuo (Notopterygii Rhizoma et Radix), Duhuo (Angelicae Pubescentis Radix) (each 7.5 g), Fangji (Stephaniae Tetrandrae Radix), Danggui (Angelicae Sinensis Radix) (each 9 g), Dahuang (Rhei Radix et Rhizoma, moistened with wine and baked, 30 g), Zhishi (Aurantii Fructus Immaturus, stir-fried, 6 g).
Preparation and Administration: Coarsely crush the herbs. Take 15 g or 21 g per dose, decoct in water and take orally.
Commentary: This formula is derived from the treatment principles of the Yangming stage, serving as a medication for treating wind-heat.
Ji Sheng Bing Lang Tang (Ji Sheng Areca Seed Decoction): Treats various types of foot pain, promotes smooth qi flow, and prevents qi stagnation.
Ingredients: Binglang (Arecae Semen), Xiangfuzi (Cyperi Rhizoma), Chenpi (Citri Reticulatae Pericarpium), Zisuye (Perillae Folium), Mugua (Chaenomelis Fructus), Wujia Pi (Acanthopanacis Cortex), Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried) (each 30 g).
Preparation and Administration: Coarsely crush the herbs. Take 12 g or 15 g per dose, decoct with fresh ginger.
Dafupi San (Betel Nut Peel Powder): Treats various cases of Hong Kong Foot (Ji Qi / Beriberi) with swelling and pain, and difficult urination.
Ingredients: Binglang (Arecae Semen), Jingjie Sui (Schizonepetae Spica), Wuyao (Linderae Radix), Chenpi (Citri Reticulatae Pericarpium), Zisuye (Perillae Folium) (each 30 g), Luobozhong (Brassicae Semina, stir-fried, 15 g), Chenxiang (Aquilariae Lignum Resinatum), Sangbaipi (Mori Cortex), Zhike (Aurantii Fructus Immaturus, stir-fried) (each 45 g), Dafupi (Arecae Pericarpium, 90 g), Mugua (Chaenomelis Fructus, 75 g), Zisuzi (Perillae Fructus, stir-fried).
Preparation and Administration: Coarsely crush the herbs. Take 1.5 g per dose, decoct with fresh ginger.
Dan Liao Fang (Dan Liao Prescription): Treats Hong Kong Foot (Ji Qi / Beriberi) where pathogenic factors enter the abdomen and rush upward to the heart, causing pain, swelling, fullness, and obstruction of urination and defecation.
Ingredients: Chenxiang (Aquilariae Lignum Resinatum), Muxiang (Aucklandiae Radix), Qianghuo (Notopterygii Rhizoma et Radix), Baishao (Paeoniae Radix Alba), Binglang (Arecae Semen) (each 15 g), Gancao (Glycyrrhizae Radix et Rhizoma), Fukxiong (Ligustici Chuanxiong Rhizoma), Qingpi (Citri Reticulatae Pericarpium Viride), Zhike (Aurantii Fructus Immaturus) (each 6 g), Zisuye (Perillae Folium), Mugua (Chaenomelis Fructus) (each 4.5 g), Suzi (Perillae Fructus, 18 g).
Preparation and Administration: Coarsely crush the herbs. Take 1.5 g per dose, decoct with fresh ginger.
Commentary: The above three formulas are applicable to conditions caused by qi stagnation and qi congestion; hence they are included here. However, one should not take them merely to prevent congestion. Generally, for diseases caused by qi issues, careful selection is required.