? Efficacy and function of ephedra

The main functions of ephedra are as follows: 1. Sweating and dispelling cold; 2. dispersing lung and relieving asthma; 3. Drainage to reduce swelling; 4. Eliminate yin gangrene and eliminate the crux. Because the most commonly used drugs in clinic are pungent-warming and sweating drugs, they are generally classified as wind-cold dispelling drugs.

The role of ephedra:

1, used for exogenous wind-cold, aversion to cold, fever, head and body pain, stuffy nose without sweat, and tight pulse. This product can disperse lung, dredge collaterals, dispel cold and relieve exterior syndrome. It is often combined with Guizhi to relieve exterior syndrome by sweating, such as Mahuang Decoction.

2. Used for asthma and cough caused by wind-cold external bundle and lung qi stagnation. Can open lung qi, dispel cold and relieve asthma. Compatibility with almond and licorice, namely San' ao decoction, can enhance the antiasthmatic effect; If there is cold drink in it, it can be combined with asarum, dried ginger and Pinellia ternata. And cold drinks can be used to relieve asthma and cough, such as Xiaoqinglong Decoction; For patients with asthma and cough caused by heat pathogen blocking lung, gypsum, almond and licorice can be combined to clear lung and relieve asthma, that is, Maxing Shigan Decoction.

3. Used for edema with exterior syndrome. It is an important drug for dispersing lung qi and promoting diuresis. This product can induce sweating, promote diuresis and help to dissipate edema. It is often used with ginger and Atractylodes macrocephala, such as Yuemai Jiashu Decoction.

4. Using the efficacy of Herba Ephedrae to warm and disperse cold pathogens, combined with other corresponding drugs, it can treat rheumatism, joint pain, gangrene, phlegm and other diseases.