哮吼喘者，喉中如拽锯，如水鸡之声者是也。如气促而连属不能以息者，即谓之
喘。夫哮以声响名，喘以气息言耳。喉如鼾声者为虚，喉如水鸡声者为实。丹溪曰∶治
哮必用薄滋味，专主于痰，宜大用吐药，吐药中宜多用醋，不可纯用凉药，兼当带表
散，盖此是寒包热也。亦有虚而不可吐者，慎之。总是痰火内郁，风寒外束而然，亦有
过啖咸酸，邪入腠理而致者，治法须审其新久虚实可也。
一朱姓儿，三岁，哮喘大作，声闻邻里，二三日不止，身热汗出。一医投以滚痰
丸利之，下泻二三次，其势更甚，六脉洪数，胸胁扇动，扶肚抬肩，旦夕无宁刻，粒
米不能食，头汗如雨，数日不寐，势甚危迫，乃延余治，余曰误矣。夫声出于气喉，
连喘数日，下元已伤矣。今已峻利药，从食喉下之，伐及无辜，下元更虚极矣。所以有
扶肚抬肩，恶候来也，令以人参，麦冬各一钱，五味子七粒，肉桂三分，水煎温服，一
日二剂，服后而哮声顿减，至夜复作，次日往视，余曰∶此气少夏，而阴未有以配之
也，乃以八味之加牛膝、麦冬、五味子者，内熟地，每剂五六钱，桂附，每剂各四分，
水煎冷服，午前午后各一剂，服后而竟熟睡，醒来饮食大进，其声悉止，次日往视，
喘热俱已。但劳力运动，喘声微有，此未还
元之故也。以生脉饮调理三四日，精神全复。
哮吼喘，是指喉间发出像拉锯一样的声音，或者像水鸡（田鸡）叫声的症状。如果呼吸急促且连续不断，无法顺畅呼吸的，就称为“喘”。哮病是以声响来命名的，喘证是以气息状态来描述的。喉间发出打鼾般声音的属于虚证，喉间发出水鸡叫声的属于实证。朱丹溪说：治疗哮病必须饮食清淡，主要着眼于痰邪，应当大量使用催吐药物，在催吐药中宜多用醋，不能单纯使用寒凉药物，同时应当配合解表散邪的药物，因为这属于外寒内热（寒包火）。也有因正气虚弱而不能使用吐法的，务必谨慎。总之，这多是痰火郁结于内，风寒束缚于外所致；也有因过食咸味和酸味食物，导致邪气侵入腠理而引发的，治疗方法必须审察其病程的新久、体质的虚实即可。
有一位姓朱的小孩，三岁，哮喘发作严重，声音传到邻里，持续两三天不止，身体发热并出汗。一位医生给他服用滚痰丸进行泻下治疗，腹泻两三次后，病情反而更加严重，六脉洪大而数，胸胁部随呼吸剧烈扇动，扶腹抬肩，日夜不得安宁，一粒米也吃不下，头部大汗如雨，几天不睡觉，形势非常危急，于是请我诊治。我说这是误治了。声音出于气道喉咙，连续喘息数日，下元（肾气/元气）已经受损。现在又用了峻猛的泻利药物，从食道胃腑下行，伤害了无辜的正气，下元更加极度虚弱。所以出现了扶肚抬肩这些恶候。我令用人参、麦冬各一钱，五味子七粒，肉桂三分，水煎温服，一日两剂。服药后哮声顿时减轻，到了夜晚再次发作。第二天我去探望，我说：这是因为气少阴（肾阴）来配合它（阳气），于是采用八味丸（金匮肾气丸）加牛膝、麦冬、五味子的方子，重用熟地黄，每剂五六钱，肉桂、附子每剂各四分，水煎后冷服，午前午后各服一剂。服药后竟然熟睡，醒来后饮食大增，哮声完全停止。第二天再去探望，喘促和发热都已痊愈。但是劳累运动后，喘声仍有轻微反复，这是因为元气尚未恢复的缘故。用生脉饮调理三四天，精神完全恢复。
Xiao (Asthma with whooping sound) and chou (stridor) refer to conditions where the throat produces sounds like sawing wood or the croaking of a waterfowl (e.g., bullfrog). If breathing is rapid, continuous, and unable to sustain normal respiration, it is termed Chuan (Wheezing/Dyspnea). Xiao is named for its characteristic sound, whereas Chuan is described by the state of breath. A snoring-like sound in the throat indicates a Deficiency pattern, while a waterfowl-like croak indicates an Excess pattern. Zhu Danxi stated: In treating Xiao, one must adhere to a bland diet, focusing primarily on phlegm. It is appropriate to use emetic drugs extensively; vinegar should be added frequently to these emetics. One should not rely solely on cold-natured herbs but should also incorporate exterior-releasing agents, as this condition often involves "cold wrapping heat" (exterior cold with interior heat). There are cases of deficiency where emesis is contraindicated; caution is required. Generally, this arises from phlegm-heat郁结 (stagnation/depression) internally constrained by wind-cold externally, or it may result from excessive consumption of salty and sour foods, allowing pathogenic factors to invade the couli (interstitial spaces). The treatment method requires assessing whether the condition is new or chronic, and whether it presents as excess or deficiency.
A three-year-old child surnamed Zhu suffered from severe asthma attacks, with sounds audible to neighbors, persisting for two to three days. He presented with fever and sweating. A physician administered Guntan Wan (Rolling Phlegm Pills) to induce purgation. After two or three bowel movements, his condition worsened significantly. His six pulses were flooding and rapid; his chest and hypochondrium heaved with respiration; he supported his abdomen and raised his shoulders while breathing; he had no rest day or night; he could not eat a single grain of rice; sweat poured from his head like rain; he had not slept for several days; the situation was critical. He then sought my treatment. I said, "This was a misdiagnosis/mistreatment." Sound originates from the qi passage in the throat. Continuous wheezing for several days has already damaged the Lower Yuan (Kidney Qi/Essence). Now, harsh purgative drugs have been used, passing through the food pipe, injuring the innocent healthy qi, causing the Lower Yuan to become extremely deficient. Hence, the ominous signs of supporting the abdomen and raising the shoulders appear. I prescribed Ren Shen (Ginseng Root), Mai Dong (Ophiopogon Tuber) each 1 qian, Wu Wei Zi (Schisandra Berry) 7 grains, and Rou Gui (Cinnamon Bark) 3 fen, decocted in water and taken warm, two doses per day. After administration, the wheezing sound decreased immediately, but recurred at night. I visited him the next day and said, "This is because there is insufficient Yin to anchor the Yang." I then prescribed Ba Wei Di Huang Wan (Eight-Ingredient Pill with Rehmannia) modified with Niu Xi (Achyranthes Root), Mai Dong, and Wu Wei Zi. I increased the dosage of Shu Di Huang (Prepared Rehmannia Root) to 5–6 qian per dose, and used Gui (Cinnamon Twig) and Fu Zi (Aconite Lateral Root) at 4 fen each per dose. The decoction was taken cold, one dose before noon and one after noon. After taking the medicine, he fell into a deep sleep. Upon waking, his appetite improved significantly, and the wheezing ceased completely. I visited again the next day, and both wheezing and fever had resolved. However, slight wheezing persisted after physical exertion, due to the incomplete recovery of Yuan Qi (Primordial Qi). After regulating with Sheng Mai Yin (Generate the Pulse Drink) for three to four days, his spirit and energy fully recovered.