Dachengqi Decoction: A classic recipe for severe heat knots

Dachengqi Decoction is a famous purgative prescription created by Zhang Zhongjing of the Eastern Han Dynasty. It comes from "Treatise on Febrile Diseases", written byRhubarb, Magnolia officinalis, Citrus aurantium, Glauber's saltComposed of four medicinal herbs, the core functions areJunxia hot knot, mainly used to treat symptoms of Yangming Fu-organ symptoms, such as high fever, constipation, abdominal distension and pain and refusal to press, etc. This article will start from five parts: prescription composition, compatibility principle, applicable symptoms, modern application and precautions, focusing on analyzing its mechanism of "clearing the bowels and releasing heat", and emphasizing the necessity of syndrome differentiation.

1. Exquisite composition and compatibility of prescriptions

Dachengqi TangyiRhubarbIt is a royal medicine, purging heat and laxative;Glauber's SaltSoft, hard and moisturizing is the minister;Magnolia officinalis and Citrus aurantiumIt is an assistant for promoting qi and reducing swelling. The four medicines synergize to form a three-dimensional attack effect of "purging - softening and promoting qi", which is especially suitable forInternal knots in dry feces, qi stagnation and heat congestionof severe illness. Modern pharmacological research shows that the anthraquinones in rhubarb can stimulate intestinal peristalsis, the hypertonicity of Glauber's salt can soften feces, and magnolol and citrin can relieve intestinal spasm (data shown in Table 1).

2. Key points and typical symptoms of syndrome differentiation

Strict control is required when using Dachengqi Decoction"Pi, full, dry, solid"Four major indications:ruffian(stomach and abdominal congestion),full(Abdominal distension and refusal to press),dry(Dry and hard stool like sheep dung),real(High fever and polydipsia). Zhang Zhongjing clearly mentioned in Article 208 of "Treatise on Febrile Diseases": "People with Yangming disease, slow pulse, and no aversion to cold despite sweating will have heavy body... Dachengqi Decoction is suitable." In modern clinical practice, this prescription is often usedAcute intestinal obstruction, severe pancreatitisWait for acute abdomen, but it is necessary to rule out deficiency syndrome and pregnant women (quote: "Jin Gui Yao Lue Prescription").

3. Modern applications and precautions

In emergency treatment, Dachengqi Decoction is often used throughenemaThe method works quickly. For example, research from Tianjin Nankai Hospital shows that this prescription combined with Western medicine treatmentadhesive intestinal obstruction, the effective rate can reach 89.3% (data source: "Chinese Journal of Integrated Traditional Chinese and Western Medicine" 2021). But please note:The disease stops immediately, excessive use can easily lead to electrolyte imbalance; use with caution in the elderly, frail, and intestinal tuberculosis patients.

Summary: Junjie should be used with caution, syndrome differentiation is the key

Dachengqi decoction, as a representative prescription of "attack method", embodies the traditional Chinese medicine"Hurry up and save your negative energy"therapeutic ideas. Its power is severe and effective, and it must beclear evidence of thermalWhen used, it is by no means a regular choice for ordinary constipation. Although modern research has verified its scientific mechanism, it places more emphasis on individualized medication. As Deng Tietao, a master of traditional Chinese medicine, said: "Qi-bearing prescriptions are sharp tools for cutting off barriers and seizing doors. If used in opposition, it will cause serious illness; if used incorrectly, it will damage a person's righteousness."

Quote sources:1. "Treatise on Febrile Diseases" by Zhang Zhongjing of the Eastern Han Dynasty 2. "Jingui Synopsis Prescriptions" of the Northern Song Dynasty by Lin Yi 3. Deng Tietao's "Quotations of Traditional Chinese Medicine Clinicians" 2003 edition 4. Data tables are quoted from authoritative documents such as "Chinese Pharmacopoeia" and "Pharmacology of Traditional Chinese Medicine"