Bacterial infections take cephalosporin or azithromycin need to be determined according to the pathogen, if it is mycoplasma or chlamydia infection, it is recommended to use is azithromycin, if it is streptococcus or staphylococcus infections, it is recommended to choose cephalosporin antibiotics. 1. Azithromycin: Azithromycin can be used to treat infections caused by bacteria, commonly due to mycoplasma and chlamydia infections caused by bronchitis, pneumonia, soft tissue infections, simple genital infections. 2. Cephalosporin: Cephalosporin is the abbreviation of cephalosporin antibacterial drugs, cephalosporin drugs have a wide range of effects, can act on most of the body, in addition to its antibacterial spectrum is also broader, especially for streptococcal or staphylococcal infections have better efficacy. After a bacterial infection occurs, it is recommended to take medication under the guidance of a doctor after identifying the type of bacteria.