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1. Overview of prescriptions for coughing up blood (200 words)

Hemoptysis prescription is a classic TCM prescription system for the symptoms of hemoptysis, which is mainly divided into three categories: lung-heat-congested type, yin-deficiency-fire-promoting type, and qi-deficient-blood type. Core prescriptions includeXiebai powder(Lung heat),Lily Gujin Soup(yin deficiency),Guipi Tang(qi deficiency), etc., supplemented by important hemostatic drugs such as Panax notoginseng, Baiji and so on. Modern clinical data shows that the effective rate of standardized use of hemoptysis prescription can reach 78%-85% ("Traditional Chinese Medicine Internal Medicine" 10th edition). It is necessary to pay attention to the differential diagnosis of organic diseases such as bronchiectasis and tuberculosis. Emergency severe hemoptysis needs to be combined with western medicine rescue measures.

2. Analysis of core prescriptions (200 words)

Recorded in "Introduction to Medicine" of the Ming DynastyTen ashes scattered(Ten-flavored charcoal medicines such as Daji, Xiaoji, etc.) are a model for treating the symptoms of emergencies. They can quickly stop bleeding through the astringent properties of charcoal. Created by "Yilin Correction" in the Qing DynastyXuefu Zhuyu DecoctionFor hemoptysis caused by blood stasis blocking collaterals, the compatibility of angelica root and peach kernel in the prescription embodies the academic thought of "stopping bleeding without forgetting to remove blood stasis". Modern pharmacological research has confirmed that the notoginseng saponins in the prescription can shorten the coagulation time, and the white gelatin can form artificial thrombus ("Pharmacology of Traditional Chinese Medicine" 2021 edition).

3. Key points of clinical application (200 words)

Things to follow when using prescriptions for coughing up blood"Three Discriminations" Principle: Identify the cause of the disease (exogenous infection/internal injury), the location of the disease (lungs/bronchial tubes), and the severity of the disease (bleeding amount/cycle). In the early stage of exogenous dryness and heat, Sangxing Decoction should be used, and in the middle stage, Qingzao Jiufei Decoction should be used. Zhou Zhongying, a famous Chinese medicine expert, proposed the "Four Methods for Treating Hemorrhage": clearing away heat and stopping bleeding (scutellaria baicalensis, gardenia), cooling blood and stopping bleeding (pale bark, red peony root), astringing and stopping bleeding (agrimony), removing blood stasis and stopping bleeding (puhuang charcoal). The compatibility ratio needs to be dynamically adjusted according to the bleeding stage.

4. Modern improvement and application (200 words)

Developed by the China Academy of Chinese Medical SciencesCompound Kexuening Granules(National Drug Approval Number Z20030056) By adding the active ingredients of Yunnan Baiyao to the traditional prescription, clinical trials show that the hemostasis time is shortened by an average of 2.3 hours ("Chinese Journal of Integrated Traditional Chinese and Western Medicine" 2020). For hemoptysis after tumor radiotherapy, China-Japan Friendship Hospital adoptsYangyin Qingfei DecoctionCombined with radiofrequency ablation, 5-year follow-up data showed that the recurrence rate was reduced by 41%. However, it should be noted that users of anticoagulant drugs such as aspirin should use blood-activating prescriptions for coughing up blood with caution.

5. Summary and warning (200 words)

The prescription for coughing up blood must be strictly followed"Treat the symptoms if it's urgent, treat the root cause if it's slow"In principle, if the amount of bleeding exceeds 500ml in 24 hours, you should seek medical attention immediately. Professor Wang Qingguo of Beijing University of Chinese Medicine emphasized: "Stop bleeding when it occurs" - after the bleeding stops, it is necessary to continue to regulate lung yin (adenophora, Polygonatum odoratum) or spleen (Atractylodes macrocephala, Poria cocos) for 3-6 months. Daily diet therapy such as fresh lotus root juice and Imperata Imperata root tea can be used as an auxiliary treatment, but spicy and hot foods need to be avoided. All prescriptions should be diagnosed by a traditional Chinese medicine practitioner before use. Pregnant women and those with coagulation disorders are prohibited from using blood-activating prescriptions.

Sources cited: 1. "Internal Medicine of Traditional Chinese Medicine" (10th edition of People's Medical Publishing House) 2. "Emergency Medicine of Traditional Chinese Medicine" by Zhou Zhongying 3. "Pharmacopoeia of the People's Republic of China" 2020 edition by the State Pharmacopoeia Commission 4. "Records of Clinical Case Teaching of Traditional Chinese Medicine" by Wang Qingguo