Question
The patient has been suffering from a persistent cough for over two months, with medication treatment proving ineffective. They had a high fever diagnosed as tonsillitis and received intravenous treatment, but the cough has not subsided. A chest X-ray shows minor streaks, and blood tests are normal. They have consulted multiple major hospitals, tried traditional Chinese medicine and treatment via food (TCM) methods such as steamed pears with rock sugar, but there has been no improvement. The patient wants to know the nature of their condition and how to treat it.