What is the cause of frequent and persistent coughing?

Cough is a common clinical symptom, there are many causes of cough, the most common for respiratory diseases, such as a variety of respiratory tract infections; in addition to cardiovascular disease, gastric disease, pleural disease, and taking medications and other factors to consider.
1. Respiratory diseases. Respiratory causes are the most common, such as respiratory infections, bronchitis, bronchiolitis, lung tumors, bronchial asthma, etc., all of which can cause cough. It is necessary to clarify the cause of the disease and then carry out the treatment of the corresponding disease.
2. Cardiovascular disease. Heart valve disease or myocardial lesions caused by left heart failure caused by pulmonary stasis, edema, increased alveolar exudate can cause cough. It is necessary to improve the corresponding imaging, laboratory tests, and give appropriate treatment after diagnosis.
3. Gastric diseases. For example, gastroesophageal reflux disease (GERD) can also cause coughing and other symptoms, usually with the manifestations of gastric diseases, such as acid reflux, nausea, and poor swallowing of food. It is necessary to improve the corresponding laboratory tests, and give appropriate treatment after diagnosis.
4. Pleural diseases. Spontaneous pneumothorax and various causes of pleural inflammatory lesions can cause cough, in addition to cough, chest pain and other symptoms. It is necessary to clarify the cause of the disease and then carry out the appropriate treatment of the disease.
5. Drug causes. Clinically, some drugs such as vascular converting enzyme inhibitors, etc. may appear after taking drugs, coughing side effects, usually after stopping the drug can disappear on their own.
There are many other causes of coughing, if the long-term cough does not ease, you need to go to the hospital in a timely manner, after a clear cause of standardized treatment, do not take medication, so as not to delay the condition.