Coughing after a cold is not good: a. It is likely to be an infection of the upper respiratory tract, that is, the cold has caused inflammation of the upper respiratory tract, such as the emergence of chronic bronchitis or pneumonia, first of all, the hospital should do a chest X-ray or CT examination to clarify whether there is bronchitis or pneumonia, if there is the above situation, you need intravenous drip drugs for treatment. Infections following a cold are often combined with bacterial infections and can be treated empirically with intravenous antibiotics, such as ceftriaxone or penicillin. If there is an allergy to any of these drugs, you can switch to azithromycin or erythromycin for treatment. Second, the cough has been bad may be that the patient originally had cough variant asthma, or allergic cough symptoms, and the cold induced it. Bronchodilators and glucocorticoids can be used to relieve the cough symptoms, and budesonide and terbutaline can be nebulized and inhaled. If the cough is allergic, you also need to take anti-allergy medications such as loratadine at the same time.