Second, from the etiological point of view, bronchitis can be caused by exposure to harmful smoke, but also by pathogenic bacteria infection. Bronchial asthma is related to genetic and environmental factors.
Third, the types of diseases are different. Bronchitis can be acute inflammation or chronic inflammation. Asthma is a typical chronic airway inflammation and a non-specific chronic inflammation.
Fourth, the symptoms are different. Bronchitis is characterized by cough and expectoration, and asthma can occur in asthmatic bronchitis and chronic bronchitis. Asthma is characterized by chest tightness and asthma. Cough was once the main or only symptom of cough variant asthma.
Five, the treatment plan is different, bronchitis treatment is based on the cause, asthma treatment is mainly to control chronic airway inflammation, mainly to control symptoms.