Difference between coughing asthma and bronchitis are disease definition, causes, symptoms, treatments and so on. 1. Disease Definition: Coughing asthma is a special type of asthma, with cough as the main manifestation. Bronchitis is an inflammatory disease of the trachea, bronchial mucosa and surrounding tissues caused by a variety of reasons. 2. Etiology: the etiology of cough asthma is not clear, related to genetic factors, environmental factors, etc., mostly induced by cold air, pollen, dust mites and other sensitizing factors. The causes of bronchitis are mostly viral, bacterial and other pathogenic infections. 3. Symptoms: Cough asthma is mainly characterized by chronic irritating dry cough, which may be aggravated at night or in the early morning. The symptoms of bronchitis are mainly coughing, coughing up sputum and wheezing. 4. Treatment: The treatment of coughing asthma is based on bronchial relaxation and reduction of airway inflammation, and commonly used drugs include glucocorticosteroids and β2 agonists, such as beclomethasone, budesonide, salbutamol, terbutaline and so on. The treatment of bronchitis is based on infection control, and the commonly used anti-infective drugs are levofloxacin and erythromycin. When the patient suspects cough asthma or bronchitis, it is recommended to go to the hospital in time to improve the examination, clarify the cause of the disease, and standardize the treatment under the guidance of the doctor.