The drugs that can be taken for adult bronchitis are: First, drugs to control infection, that is, antibiotics, you can choose antibiotics according to the characteristics of the common pathogenic bacteria in the patient’s local area, and pay attention not to choose antibiotics to which you are allergic, you can choose antibiotics such as levofloxacin, roxithromycin, amoxicillin and cephalosporin. Second, cough expectorant drugs, you can choose compound licorice combination, 10ml each time, 3 times a day, or Ambroxol Hydrochloride. Third, asthma medication, patients with asthma can use bronchodilators, such as aminophylline or beta 2 agonists inhalation. Usually need to pay attention to: 1, quit smoking, do not inhale toxic and harmful gases. 2, enhance physical fitness, prevent colds. 3, patients with recurrent respiratory infections can use immunomodulators, such as influenza vaccine, pneumonia vaccine, thymidine, etc.