(KE SOU) 咳嗽


Cough is a main symptom of lung diseases, a common symptom of various other diseases as well as a disease by itself. From the point of TCM-etiology, cough can be divided into two types: caused by exogenous or endogenous factors. The former one is caused by external pathogens such as wind, cold, dryness. The later one is caused by disorders of internal organs leading to dysfunctions of the lungs.

From a modern medicine point of view, acute and chronic bronchitis may be related to the category of cough. Generally speaking, the prognosis of acute bronchitis is good. However, if the disease cannot be cured in the acute stage, it may become chronic. Some long-time and/or recurrent bronchitis can progress into chronic obstructive emphysema and chronic pulmonary heart disease.

Modern medicine is very weak in the treatment of cough. Taking acute bronchitis as an example, there are only three options: anti-biotics, anti-inflammatory, or anti-coughing drugs. The effect is usually not satisfying - especially for dry cough because those drugs cannot fix the damage of the bronchi/lungs.

In Southern California, dry cough after a common cold or flu is very common since the climate is very dry. Dr. Sun calls it "Los Angeles-Cough". The dry cough may last for weeks or even months if not treated correctly. The lung is a delicate organ that prefers moisture and dislikes dryness. In the treatment of dry cough, herbs with character of moisturing alongside the anti-coughing herbs must be chosen, otherwise the cough may get worse. After identifying this specific climate characteristic, Dr. Sun has become an expert in the treatment of dry cough.