Azithromycin is taken three times and stopped four times, and no other antibiotics need to be taken during the stopping period. Azithromycin has a strong anti-mycoplasma infection, for mycoplasma pneumonia drug of choice. Azithromycin half-life is relatively long, up to 68 ~ 72 hours, generally clinically eat three days after stopping the drug, the effective drug concentration can be maintained for 10 days, there is good bioavailability, and the concentration of infected parts of the tissue will be significantly higher than the concentration of the drug in the blood, taking 3 days stopping the drug for 4 days for a course of treatment, according to the symptoms and the condition of the disease, can be taken for 2 ~ 3 courses, stopping the drug during the period of time do not need to take other antibacterial drugs. Azithromycin side effects are allergic reactions such as skin rash, gastrointestinal reactions such as nausea, vomiting, abdominal pain, and occasionally transaminase elevation, according to the side effects of the situation discretion to stop the drug.