Bronchitis and asthma are two kinds of diseases, and the treatments for different diseases are not the same, you need to use the right medicine according to the symptoms. 1. Bronchitis: commonly used drugs include Ambroxol to dispel phlegm, Pentoxyverine to relieve cough, aminophylline to dilate the bronchial tubes, and penicillin for anti-infective treatment. Ambroxol adverse reactions have stomach discomfort, diarrhea, etc., pregnant and lactating women, glaucoma patients, etc., prohibited; Pentoxyverine common reactions have bloating, dizziness, dry mouth, etc., glaucoma and cardiac insufficiency is prohibited, aminophylline adverse reactions have nausea, vomiting, loss of appetite, cardiac arrhythmia, etc., convulsions and other manifestations of an overdose of the drug, can not be exposed to the air, penicillin adverse reactions have anaphylaxis, etc., allergy to the drug is prohibited. Penicillin adverse reactions such as allergic reactions, allergic to the drug is prohibited. 2. Asthma: commonly used drugs are budesonide anti-inflammatory bronchial relaxation, salbutamol, ipratropium bromide to relieve bronchial spasm, relieve wheezing. Adverse reactions of budesonide can occasionally be seen in pharyngeal discomfort, hoarseness, etc., moderate to severe bronchodilatation, pregnant women, etc., prohibited, salbutamol adverse reactions of dizziness, nausea, palpitations, etc., prohibited for those who are allergic to the drug, isopropyltoluidonium bromide adverse reactions of dry mouth, cough, headache, etc., prohibited for those who are allergic to the drug and those who have pyloric obstruction. Patients with bronchitis asthma, it is recommended to go to the hospital in a timely manner to identify the cause of the disease, under the guidance of the doctor for treatment, the use of any drug need to be reasonable under the guidance of the doctor, not to take on their own, to avoid causing adverse consequences.