How does child 3 years old cough old to do all the time bad

3-year-old child cough is always not good to consider the cause of bronchitis, can be diagnosed by X-ray, sputum smear and other examinations. Generally need to use cephalosporins or penicillin antibiotics for treatment, while symptomatic application of ambroxol and other cough expectorant drugs. In addition, may also be caused by bronchial asthma, commonly used treatment drugs are aminophylline, salbutamol, etc. When necessary, large doses of glucocorticoids can be used.