What causes a cough in the morning

A variety of causes can cause morning cough, commonly found in respiratory tract infections, respiratory tract obstruction, allergic factors, pleural disease, cardiovascular disease and so on.
1. Respiratory tract infections: for example, bacterial, viral, fungal and mycoplasma infections of the respiratory tract can cause morning cough.
2. Respiratory tract obstruction: e.g. bronchial adenoma, bronchial carcinoma, pulmonary edema, emphysema, etc. can cause morning cough.
3. Allergic factors: e.g. inhalation of allergens, inhalation of irritating air can cause coughing, which can lead to morning cough.
4. Pleural diseases: e.g. pleurisy, pleural mesothelioma can cause morning cough.
5. Cardiovascular diseases: for example, pulmonary edema caused by mitral stenosis can cause coughing, which can cause morning cough.
There are many other causes of morning cough, it is recommended that patients consult a doctor in a timely manner to clarify the cause of the disease, under the guidance of the doctor for treatment, to avoid delays in the condition.