Are chinese herbs effective in treating a persistant cough?

Why are you coughing: The treatment of a cough is the treatment of the cause of the cough. The cause could be a cold or cancer or a dozen other things. Similarly, chinese herbs have been around for thousands of years. Some herbs are very helpful and some can be fatal when used improperly. Personally, i think you can do better with herbal tea (chinese or otherwise) and honey for most coughs.