四陈散 治痰哮。
陈 茶 陈薄荷 陈皮 陈紫苏（各二钱） 姜十片。煎熟温服。
必胜饮 治哮症久久不愈。一服即止。
半夏 枳实（各二钱） 石膏（ 三钱） 杏仁（去皮尖） 茶叶 麻黄 栝蒌霜（去油） 甘
草（各一钱） 姜五片。不拘时服。
二仙丹 治一切哮症。
沉香（一两） 莱菔子（淘净蒸熟晒干。五两）
上为细末。生姜汁为细丸。每服八分。白滚汤送下。
呼吸急促之甚。经曰。诸逆冲上。皆属于火。然火有虚实。虚者气乏身虚。实者气
壮身热。凡喘未发时。以养正气。已发时。以攻邪为主。
定喘汤 治胃虚作喘。脉气无力。抬肩撷项喘而不休。
麦门冬（去心） 人参（各二钱） 辽五味（二十一粒） 麻黄（五分） 白术（土炒） 杏仁（去
）陈皮 葶苈子（各一钱二分） 加黑枣二枚。食远服。
二母汤 治水喘。水气辘辘有声。怔忡者。
辽五味 黄柏（酒炒） 知母（盐酒炒） 贝母（去心各二钱） 加黑枣二枚。食远服。
平喘汤 治火喘乍进乍退。得食则减。食匕复喘。
苏子（炒） 黄芩（酒炒） 枳实（各二钱） 山栀仁（炒黑） 桔梗（炒） 杏仁（去皮尖） 栝
蒌仁（去油） 桑白皮（各一钱） 加灯心三十茎。食远服。
保肺饮 治肺气不足。因嗽久而作喘。
白茯苓 人参 金沸草 麦门冬（去心各一钱） 辽五味（二十一粒） 阿胶（蛤粉炒） 紫菀
（各二钱） 水煎温服。
紫金锭 治一切痰喘食喘。气喘。水喘。惟火喘不可。用姜汤磨服二钱。（方见痰症门）
三拗汤 治外感风邪。并多服参 发喘。
麻黄（不去节） 杏仁（不去皮尖各二钱） 生甘草（一钱） 生姜三片。黑枣二枚。煎服。
哮证就是痰喘。如果病情严重且经常发作，表现为喉咙里有像水鸡（青蛙）一样的叫声，并牵引胸背部不适，这就是哮证。
四陈散：治疗痰哮。
配方：陈茶、陈薄荷、陈皮、陈紫苏（各二钱），生姜十片。煎煮成熟后温服。
必胜饮：治疗哮证日久不愈，服用一剂即可停止。
配方：半夏、枳实（各二钱），石膏（三钱），杏仁（去皮尖），茶叶，麻黄，栝蒌霜（去油），甘草（各一钱），生姜五片。不拘泥于固定时间服用。
二仙丹：治疗各种哮证。
配方：沉香（一两），莱菔子（淘洗干净蒸熟晒干，五两）。
制作与用法：将上述药材研为细末，用生姜汁制成小丸。每次服用八分，用白开水送服。
呼吸急促非常严重。《黄帝内经》说：“各种气逆冲上的病症，都归属于火。”然而火邪有虚实之分：虚证表现为气短乏力、身体虚弱；实证表现为气壮身热。凡是喘证未发作时，以调养正气为主；已经发作时，以攻逐邪气为主。
定喘汤：治疗因胃虚引起的喘证，脉象无力，抬肩撷颈喘息不止。
配方：麦门冬（去心）、人参（各二钱），辽五味子（二十一粒），麻黄（五分），白术（土炒），杏仁（去皮），陈皮，葶苈子（各一钱二分），加黑枣二枚。饭后服用。
二母汤：治疗水喘，水气在体内辘辘有声，伴有心悸怔忡者。
配方：辽五味子，黄柏（酒炒），知母（盐酒炒），贝母（去心，各二钱），加黑枣二枚。饭后服用。
平喘汤：治疗火喘，症状忽轻忽重，进食后减轻，但稍吃一点食物又再次气喘。
配方：苏子（炒），黄芩（酒炒），枳实（各二钱），山栀仁（炒黑），桔梗（炒），杏仁（去皮尖），栝蒌仁（去油），桑白皮（各一钱），加灯心草三十茎。饭后服用。
保肺饮：治疗肺气不足，因久咳而引发的喘证。
配方：白茯苓、人参、金沸草、麦门冬（去心，各一钱），辽五味子（二十一粒），阿胶（蛤粉炒）、紫菀（各二钱）。水煎后温服。
紫金锭：治疗各种痰喘、食喘、气喘、水喘，唯独火喘不适用。用姜汤磨开服用二钱。（方剂详情见痰症门）
三拗汤：治疗外感风邪，以及因多服人参导致的喘证。
配方：麻黄（不去节），杏仁（不去皮尖，各二钱），生甘草（一钱），生姜三片，黑枣二枚。煎煮后服用。
Xiao syndrome (Asthma with phlegm-rattling) is essentially Tan Chuan (Phlegm-induced panting). When severe and frequently recurring, it manifests as a sound in the throat resembling that of a water chicken (frog), accompanied by traction or discomfort in the chest and back.
Si Chen San (Four Aged Substances Powder): Treats Tan Xiao (Phlegm-induced asthma).
Ingredients: Aged tea leaves, aged peppermint, aged tangerine peel, aged perilla leaf (each 2 qian), ginger (10 slices). Decoct until cooked and take warm.
Bi Sheng Yin (Invincible Decoction): Treats Xiao syndrome that has persisted for a long time without cure; one dose stops the symptoms.
Ingredients: Pinellia Rhizoma Preparatum (Banxia), Immature Bitter Orange Fructus Aurantii (Zhishi) (each 2 qian), Gypsum Fibrosum (Shigao) (3 qian), Apricot Seed Semen Armeniacae Amarum (Xingren) (skin and tips removed), tea leaves, Ephedrae Herba (Mahuang), Trichosanthis Pericarpium (Gualou) frost (oil removed), Licorice Root Radix Glycyrrhizae (Gancao) (each 1 qian), ginger (5 slices). Take at any time.
Er Xian Dan (Two Immortals Pill): Treats all types of Xiao syndrome.
Ingredients: Agarwood Lignum Aquilariae Resinatum (Chenxiang) (1 liang), Radish Seed Semen Raphani (Laifuzi) (washed clean, steamed, dried, 5 liang).
Preparation and Administration: Grind the above ingredients into fine powder. Use fresh ginger juice to form small pills. Take 8 fen per dose, washed down with plain boiled water.
Severe shortness of breath. The *Huangdi Neijing* (Yellow Emperor's Inner Canon) states: "All rebellious Qi rushing upward belongs to Fire." However, Fire can be deficient or excess. Deficient Fire presents with Qi deficiency and physical weakness; Excess Fire presents with robust Qi and body heat. Generally, when Chuan (panting/asthma) is not active, tonify the Righteous Qi (Zhengqi); when it is active, attack the Pathogenic factors (Xieqi) as the primary strategy.
Ding Chuan Tang (Calming Panting Decoction): Treats panting caused by Stomach deficiency, characterized by weak pulse, lifting shoulders and pulling the neck during panting without cessation.
Ingredients: Ophiopogon Tuber Radix Ophiopogonis (Maidong) (core removed), Ginseng Radix et Rhizoma Ginseng (Renshen) (each 2 qian), Schisandra Fruit Fructus Schisandrae Chinensis (Wuweizi) (21 berries), Ephedrae Herba (Mahuang) (0.5 qian), Atractylodis Rhizoma Rhizoma atractylodis macrocephalae (Baizhu) (soil-fried), Apricot Seed Semen Armeniacae Amarum (Xingren) (skin removed), Tangerine Peel Pericarpium Citri Reticulatae (Chenpi), Lepidium Seed Fructus Lepidii seu Descurainiae (Tinglizi) (each 1.2 qian), add two black dates. Take after meals.
Er Mu Tang (Two Mothers Decoction): Treats Water Chuan (Water-induced panting), where water Qi rattles audibly, accompanied by palpitations (Zhengtong).
Ingredients: Schisandra Fruit Fructus Schisandrae Chinensis (Wuweizi), Phellodendri Cortex Cortex Phellodendri (Huangbai) (wine-fried), Anemarrhenae Rhizoma Rhizoma anemarrhenae (Zhimu) (salt-wine fried), Fritillaria Bulbus Bulbus fritillariae cirrhosae (Beimu) (core removed, each 2 qian), add two black dates. Take after meals.
Ping Chuan Tang (Leveling Panting Decoction): Treats Fire Chuan (Fire-induced panting), where symptoms fluctuate (intermittently advancing and retreating), alleviated by eating but recurring after consuming even a small amount of food.
Ingredients: Perilla Seed Fructus Perillae (Suzi) (fried), Scutellaria Root Radix Scutellariae (Huangqin) (wine-fried), Immature Bitter Orange Fructus Aurantii (Zhishi) (each 2 qian), Gardenia Fruit Fructus Gardeniae Jasminoidis (Zhiren) (fried black), Platycodon Root Radix Platycodonis (Jiegeng) (fried), Apricot Seed Semen Armeniacae Amarum (Xingren) (skin and tips removed), Trichosanthis Semen Semen Trichosanthis (Guaren) (oil removed), Mulberry Root Bark Cortex Moriperadicis (Sangbaipi) (each 1 qian), add thirty stalks of Juncus Arundo Ligustrum (Dengxincao). Take after meals.
Bao Fei Yin (Lung-Protecting Decoction): Treats panting caused by Lung Qi insufficiency due to prolonged coughing.
Ingredients: Poria Sclerotium Poria (Fuling), Ginseng Radix et Rhizoma Ginseng (Renshen), Inula Flower Flos Inulae (Jinfecao), Ophiopogon Tuber Radix Ophiopogonis (Maidong) (core removed, each 1 qian), Schisandra Fruit Fructus Schisandrae Chinensis (Wuweizi) (21 berries), Donkey-hide Gelatin Colla Corii Asini (Ejiao) (fried with fly ash powder), Aster Root Radix Asteris (Ziwan) (each 2 qian). Decoct in water and take warm.
Zijin Ding (Purple Gold锭/Pellet): Treats all types of Phlegm Chuan, Food Chuan, Qi Chuan, and Water Chuan, except Fire Chuan. Grind 2 qian with Ginger Decoction and take. (See the Phlegm Syndrome section for the formula details).
San Ao Tang (Three Unyielding Decoction): Treats panting caused by external Wind pathogen invasion, or panting induced by excessive consumption of Ginseng.
Ingredients: Ephedrae Herba (Mahuang) (nodes not removed), Apricot Seed Semen Armeniacae Amarum (Xingren) (skin and tips not removed, each 2 qian), Raw Licorice Root Radix Glycyrrhizae (Sheng Gancao) (1 qian), ginger (3 slices), black dates (2 pieces). Decoct and take.