Fangming Mahuang Decoction

Source Treatise on Febrile Diseases

Classified solution-symplectic solution

It consists of ephedra (9g), cassia twig (6g), almond (6g) and licorice (3g).

formula

Function sweating and relieving exterior syndrome, dispersing lung and relieving asthma.

Indications are exogenous wind and cold. Aversion to cold and fever, headache and body aches, dyspnea without sweating, thin and white tongue coating and tight pulse. This prescription is commonly used for colds, influenza, acute bronchitis, bronchial asthma, etc. )

There are four kinds of usage: nine liters of water, first boil ephedra, reduce two liters, remove foam, add various medicines, boil two and a half liters, and take it warmly except me. Cover it slightly like sweat, you don't have to sip porridge, and the rest is like Guizhi method (modern usage: decoction with water, warm with a little sweat).

This prescription is forbidden to be a heavy agent for pungent warmth and sweating, so it is forbidden to appear symptoms such as "sore home", "stranguria home", "bleeding home" and "blood home" in Treatise on Febrile Diseases, and it is also forbidden to appear symptoms such as exterior cold, exterior deficiency and spontaneous sweating, blood deficiency pulse and palpitation. Mahuang decoction has less medicinal flavor, but it is sweaty, so it is not advisable to take it in excess, otherwise excessive sweating will harm people's health. As Ke Qin pointed out: "This is the agent of pure yang, which is too divergent. If you go straight to the subject, you will be successful in World War I. If you don't slap in the face, you will find yourself in trouble." Therefore, it can be published once and for all. " ("Typhoid fever comes to Suu Kyi, Typhoid fever has wings")

This recipe can relieve the muscle surface injury caused by wind-cold which leads to ignorance, unclear lung-qi, inability to reach the outside, and astringent nutrient-qi. Therefore, aversion to cold, fever, headache, body pain, anhidrosis, floating pulse and asthma can be seen inside. At this time, sweating relieves exterior syndrome, dispersing lung qi and relieving asthma, so that lung qi can be dispersed, orifices can be opened, camp and health can be unblocked, sweating relieves exterior cold, and various symptoms can be eliminated. Ephedra is bitter, pungent and warm, and it is a special medicine for lung meridian. It can stimulate the yang of human body, and has the functions of sweating, relieving exterior syndrome, dispersing lung qi and relieving asthma, so it is the monarch drug in the prescription and is used as the name of the prescription. Because of the astringency of Ying Wei, ephedra alone can relieve the stagnation of Qi in Wei Wei, so Guizhi, which warms meridians and dispels cold and penetrates Ying Wei, is used as a minister to strengthen sweating, relieve exterior and dispel cold, and eliminate body pain. Asthma in this syndrome is caused by stagnation of lung qi, and ephedra and cassia twig both rise and disperse. Therefore, almond, which can reduce lung qi and dispel cold, can be used together with ephedra to relieve depression and relieve asthma. Roasted licorice can not only reconcile the declared hemp and apricot, but also ease the combination of hemp and cinnamon, so that sweating is not too violent and harmful to healthy qi. This is the significance of pharmaceutical auxiliary drugs. Ephedra gets cassia twig, which is full of defensive stagnation and evil. Therefore, Ke Qin's evaluation of Mahuang Decoction is: "This is a powerful medicine to open the table and eliminate evil and sweat."

Formula 1 2: The syndrome of this prescription is caused by exogenous wind-cold and lung-qi. The pathogenic wind-cold attacks the muscle surface, which inhibits Weiyang, the acupoints are blocked, the camp is stagnant, and the meridians are blocked, so you see aversion to cold, fever, no sweat, and head and body pain; Lung governing qi belongs to Wei, fur surrounds the outside, and cold pathogen binds to the exterior, which affects the downward movement of lung qi, so it leads to asthma in the upper behavior; Thin and white tongue coating and tight pulse are all reflections of wind-cold attacking the exterior. Treating sweating and relieving exterior syndrome, dispersing lung and relieving asthma. Ephedra in the prescription tastes bitter and bitter, and belongs to the lung and bladder meridian, and is longer than sweating and dispersing cold; Dispelling lung to relieve asthma, opening and closing the qi of depressed lung, so this prescription is the monarch medicine. Because this recipe belongs to stagnation of Wei Ying, only Herba Ephedrae can relieve stagnation of Wei Qi. Therefore, Guizhi, which runs through Wei Ying, is used as a minister medicine to relax tendons and relieve exterior syndrome, warm meridians and dredge collaterals, which not only helps Herba Ephedrae relieve exterior syndrome, but also doubles sweating power. It can also promote nourishing yin and relieve pain. The two drugs must be used together, and the common one is Xin Wen sweating. Almond can lower lung qi, which is a commonly used combination of lowering lung qi, as an auxiliary medicine. Roasted licorice can not only mediate the decline of hemp and apricot, but also ease the combination of hemp and cinnamon, so that sweating will not be too violent and damage healthy qi, which is both medicine and adjuvant. The compatibility of the four drugs shows that the cold nature is scattered, the ying and Wei are dredged, and the lung and qi are divergent, so all diseases can be treated.

If you have acute dyspnea, chest tightness, cough with excessive phlegm, and the exterior and interior are different, remove Guizhi and add Perilla and Pinellia to relieve phlegm, cough and asthma. For patients with severe nasal congestion and runny nose, Fructus Xanthii and Flos Magnoliae are added to relieve nasal obstruction. For damp arthralgia, Rhizoma Atractylodis and Coicis Semen are added to dispel wind and remove dampness. For irritability and dry mouth caused by internal heat, gypsum and Scutellaria baicalensis Georgi should be added to clear away heat.

The attached prescriptions are Mahuang Jiashu Decoction, Maxing Yigan Decoction, Daqinglong Decoction, San 'ao Decoction and Gai Hua Powder.

Note: This prescription is the basic prescription for treating exogenous wind-cold exterior syndrome. Clinical application takes aversion to cold and fever, dyspnea without cold and tight pulse as the key points of syndrome differentiation. The compatibility of this prescription has two characteristics: first, numbness must be compatible with cinnamon, and the effect of sweating and relieving exterior syndrome will be enhanced if the depression is relieved and the collaterals are unblocked; Secondly, hemp and apricot help each other and announce the cause of disease, so the effect of dispersing lung and relieving asthma is very good.

Prescription comparison:

Mahuang Jia Zhu Decoction and Mahuang Almond Coix Seed Licorice Decoction are both modified from Mahuang Decoction, which are both prescriptions for treating exogenous wind-cold-dampness syndrome. However, the former syndrome belongs to exogenous pathogenic wind and cold, with exterior cold and body pain heavier than the latter, so Ma, Gui and Baizhu are used together to relieve exterior sweat, dispel cold and remove dampness. But sweating and dampness removal are not suitable for hyperhidrosis. Although the Atractylodes macrocephala in the prescription is sweaty, it is not excessive. Atractylodes macrocephala and Ephedra can eliminate exterior and interior dampness and complement each other, which is a wonderful combination. Post-syndrome is not only superficial cold and mild body pain, but also has a tendency to turn to heat. So cassia twig and atractylodes macrocephala are not used, and coix seed is used instead. The dose of the whole prescription is particularly light, and it is also used for slight sweating.

Daqinglong Decoction consists of Mahuang Decoction, Herba Ephedrae, Gypsum Fibrosum, Ginger and Jujube. Indications: wind-cold exterior syndrome, heat depression. Ephedra is commonly used in prescription, so its sweating power is particularly strong. Its irritability is due to stomach heat stagnation, so gypsum is added to clear away heat and relieve annoyance. Ginger with hemp and cinnamon can dispel cold and relieve exterior syndrome, while jujube and grass can benefit spleen and stomach and nourish liver source, so that sweat can relieve exterior syndrome, and cold and heat can be eliminated.

Both San 'ao Decoction and Gai Hua Powder remove cassia twig from Mahuang Decoction, so their functions focus on dispersing wind-cold in the lungs, and they are mainly used to treat cough and asthma caused by wind-cold invading the lungs. However, it is the basic prescription for dispersing lung qi and relieving exterior syndrome, and is mainly used to treat cough and asthma caused by wind-cold attacking lung. Gai Hua Powder is mainly used to treat the syndrome of excessive phlegm and wind-cold attacking the lung, so Perilla, Pericarpium Citri Tangerinae, Cortex Mori and Poria are added to reduce qi and phlegm, so as to strengthen the effect of eliminating phlegm and relieving cough.

Li Shizhen: "Ephedra is a special medicine for lung meridian, so it is often used to treat lung diseases. Zhang Zhongjing treated typhoid fever with ephedra and sweating with cassia twig. The explanations of famous doctors in past dynasties are all attached to the Literary Fu Association, and no detailed investigation is made. Every time Jane thinks about it, she seems to have a harvest, which is different from the old people. Body fluid is sweat, and sweat is blood. In the camp, it is blood, while in the guards, it is sweat. The husband's cold hurts the camp, and the blood in the camp is astringent, so it cannot be transmitted to prevention. Wei qi is closed, body fluid is not good, so there is no sweat and fever, so it hates cold. The husband's wind hurts the body, and the health gas leaks out, so it is impossible to protect inside the camp. Weak ying qi, fluid instability, sweating and fever, and bad wind. However, the evil of cold comes from fur. Fur, lungs. The lung governs the defense of qi and covers the whole body, which is also the image of heaven. Although the syndrome belongs to the sun, the lungs are actually affected by evil spirits. The symptoms are blushing, coughing with phlegm, wheezing and chest tightness. Isn't that lung disease? When fur is covered outside, pathogenic heat invades and lung qi is depressed. Therefore, ephedra, licorice and cassia twig are used to attract evil spirits to the muscle surface, and almonds are used to spread the lungs and replenish qi. " Compendium of Materia Medica

In the volume of Ke Qin's "Typhoid fever coming to Su Ji, Typhoid fever with wings", Fang said: "This is a powerful medicine to dispel evil and sweat. Significance of ancient medical methods. Ephedra is hollow and straight outside, just like the joints with epiphysis, so it can dispel the cold of joints and come out from the joints with epiphysis, which is a product for dispelling cold and keeping fit. Ramulus Cinnamomi's branches are vertical and horizontal, just like meridians and collaterals. It can enter the heart to produce fluid, dredge meridians and sweat, and it is a product for dispelling cold. Almond is the fruit of the heart, warming can help the heart to dispel cold, and suffering can clear lung and reduce qi, which is a product for eliminating evil and relieving asthma. Ural licorice is sweet in taste, flat in nature, expelling cold on the exterior and harmonizing qi and blood inside, so it is a product of calming the interior and keeping the exterior. This soup enters the stomach, circulates qi in Fu Xuan, loses essence in fur, and the pulse is fine and sweaty. The evil in the exterior and interior goes away without staying, and it hurts when it stops, and it is cold and hot when it is solved. I'm too lazy to sip porridge but I'm sweating in the valley. "

The original book mainly discusses Treatise on Febrile Diseases and the syndrome differentiation and treatment of sun diseases: "Mahuang Decoction is the main treatment for those suffering from sun diseases, such as headache, fever, body pain, low back pain, joint pain and bad wind, asthma and no sweat." "Sun is ill, his pulse is tight, he has no sweat, fever and body aches. He has been confused for eight or nine days, and the exterior syndrome is still there. This should be sweating. ..... Mahuang decoction is the main one. "

study

Mahuang decoction is a serious agent for sweating, but it can really be cured as long as the syndrome differentiation of exogenous fever is accurate.