Bronchitis is a common respiratory disease that is generally not contagious and is commonly caused by pathogenic infections, allergies and other physical and chemical factors.
Bronchitis refers to the inflammation of the mucosa of the trachea, bronchial tubes and their surrounding tissues, divided into acute and chronic, patients often cough up phlegm, cough and other symptoms. There are many causes of bronchitis, the most common being viral or bacterial infections, and physical and chemical factors such as dust, cold air, and irritating gases may also cause the disease.
Clinical studies have shown that bronchitis is not an infectious disease and is generally not contagious, and is more common in winter. Acute bronchitis is most common in the elderly and infirm and young children, while chronic bronchitis is mainly seen in the middle-aged and elderly people who have been smoking for a long time.
It is recommended that patients who are not feeling well should go to a regular hospital in time and follow the doctor’s instructions to give targeted treatment.