Mycoplasma infections taking azithromycin need a course of treatment ranging from 1 to 3, the specific course of treatment is related to the type of disease and the site of infection. 1. Upper respiratory tract infection: Mycoplasma pneumoniae-induced upper respiratory tract infection, usually need a course of azithromycin treatment, which takes about 7 days. 2. Lower respiratory tract infections: Mycoplasma pneumoniae-induced lower respiratory tract infections, such as tracheopneumonia as well as bronchopneumonia, usually need azithromycin treatment for about 2 courses, usually a course of one week. 3. Genitourinary tract infections: Mycoplasma urealyticum, Mycoplasma hominis and Mycoplasma genitalium-induced genitourinary tract infections, that is, mycoplasma infections induced by sexual contact, generally need to use azithromycin treatment for 2 to 3 courses, according to the condition of the patient’s physique, sensitivity to the drugs, and other factors to formulate a comprehensive drug regimen. Azithromycin is used for infections induced by sensitive bacteria, such as pneumonia, sinusitis and pharyngitis, etc. Common adverse reactions include nausea, vomiting, abdominal pain, anorexia, edema, and urticaria, etc. It is contraindicated for those who are allergic to azithromycin, erythromycin, and other macrolides, and during the period of taking it, you need to be wary of the hepatotoxicity of azithromycin. In addition, the application of azithromycin has certain risks, patients need to get the guidance of a specialist.