People who have cough symptoms for a long time eat foods that can relieve cough and resolve phlegm. Eat more pears, pears have the function of clearing away heat and resolving phlegm, which can cure cough and resolving phlegm. Eat garlic. Garlic has the functions of sterilization, expectoration and cough relieving. White radish is also good. White radish is a kind of food with flat nature, which has the effects of lowering qi and promoting digestion, moistening lung, detoxifying and promoting fluid production, and promoting diuresis and relaxing bowels. Can be used for treating symptoms such as lung heat, excessive phlegm, and urinary obstruction. If you boil water with white radish, with white sugar and ginger, you can treat a cold and cough; With chrysanthemum and honeysuckle, it can cure heat cough; Use tremella and lily to cure dry cough; If matched with hawthorn and malt, it can treat cough caused by food accumulation. In addition, we must find out the cause of cough, diagnose the cause of cough, whether it is caused by infection, allergies and other factors, and treat it according to the cause. Under normal circumstances, patients with persistent intractable cough can take anti-infective, anti-inflammatory and antitussive drugs according to the doctor's advice to relieve discomfort. The specific analysis is as follows:

1. Anti-infective drugs: the patient's cough has not improved for a long time, which can be considered as virus invasion and aggravation of internal infection. Patients are advised to take anti-infective drugs according to the doctor's advice, such as amoxicillin tablets, ampicillin capsules and ciprofloxacin hydrochloride capsules.

2. Anti-inflammatory drugs: The patient's persistent cough may be caused by the aggravation of inflammation in the body. It is suggested that patients use anti-inflammatory drugs to relieve symptoms according to the doctor's advice, such as penicillin V potassium tablets and chloramphenicol tablets.

3. Cough-relieving drugs: As long-term cough may lead to symptoms such as respiratory pain and lung pain, patients are advised to take cough-relieving drugs according to the doctor's advice to improve their condition, such as Suhuang Zhike Capsule and Pentovine Citrate Tablets.