The occurrence of bacterial infections, take cephalosporin antibiotics for the treatment of bacterial infections is still better, azithromycin, although also has the role of treating bacterial infections, but, for Mycoplasma pneumoniae, chlamydia infection will be more effective. Cephalosporin antibiotics have fewer side effects than azithromycin, cephalosporin antibiotics are more effective in fighting infections and are less irritating to the stomach, often not affecting the diet of adults or children. Azithromycin is more irritating to the gastrointestinal tract, sometimes leading to nausea, vomiting, and indigestion. Therefore, it is better to take cephalosporin antibiotics when a bacterial infection is present. However, some people have some allergic conditions for cephalosporin antibiotics, this time you can switch to azithromycin for anti-inflammatory treatment, the effect is still better, and rarely allergic reactions.