Colds and bronchitis are two diseases. Colds are caused by viral infections and are acute upper respiratory tract infections. Bronchitis is an inflammation of the mucous membranes of the trachea and bronchial tubes caused by a variety of factors. Coughs caused by the two diseases need to be treated differently. In addition to influenza virus caused by influenza, most of the cold for the common cold, the common cold is a self-limiting disease, generally do not need antiviral drugs for treatment, symptomatic treatment can be. Bronchitis can be caused by a variety of pathogens and requires symptomatic treatment. If the bacterial infection caused by bronchitis, need to take cefixime and other antibiotic treatment. For bronchitis caused by mycoplasma and chlamydia, macrolides such as azithromycin are preferred. Colds and bronchitis, such as coughing violently, can be given to relieve cough and phlegm symptomatic treatment. Cough suppressants are Pentoxyverine, Dextromethorphan, etc. Cough expectorants are Ambroxol, Acetylcysteine, etc. If you have a cold or bronchitis with a severe cough, it is recommended that you consult a doctor in time, complete the relevant examinations, identify the cause of the disease and actively treat it. These drugs should be used under the guidance of a doctor.