Bronchitis eat cephalosporin or azithromycin can not be generalized, bronchitis can be caused by a variety of factors, such as viral infections, Streptococcus pneumoniae, mycoplasma and chlamydia, etc., such as viral infections, both are ineffective; such as infection with gram-negative bacteria, then choose cephalosporin is more effective; such as infection with Mycoplasma pneumoniae, chlamydia, then azithromycin is more effective. 1. For bronchitis caused by viral infection, antiviral drugs (e.g. acyclovir, ribavirin, etc.) should be used. 2. If the bronchitis is caused by Streptococcus pneumoniae, cephalosporins (e.g. ceftriaxone sodium) are more effective. 3. If the bronchitis is caused by Mycoplasma and Chlamydia, then choose macrolides, such as azithromycin. The common adverse reactions of cephalosporin and azithromycin are abdominal pain, diarrhea, nausea, vomiting and allergic reactions, and they are contraindicated for those who are allergic to cephalosporin and azithromycin; Bronchial pneumonia treatment needs to choose effective antibiotics for the cause of the infection in order to effectively treat the disease, not to abuse antibiotics, such as the need to use, need to be reasonable under the guidance of a doctor, to avoid triggering unnecessary consequences.