Generally, it is recommended to take oral roxithromycin continuously for 5-7 days, up to 14 days. Roxithromycin is a new generation macrolide antibiotic, mainly acting on Gram-positive bacteria, anaerobic bacteria, chlamydia and mycoplasma, etc. It is suitable for respiratory tract infections, ear, nose and throat infections, skin soft tissue infections caused by sensitive strains of bacteria, but also for mycoplasma pneumonia, chlamydia trachomatis infection and Legionnaires’ disease, etc. The general course of treatment is 5-7 days, and it is still necessary to adhere to the medication for 1-2 days after the symptoms are relieved or disappeared to avoid After the symptoms are relieved or disappeared, it is still necessary to adhere to the medication for 1-2 days to avoid recurrence, but generally not more than 14 days. If there is no effect after 7 days of continuous use, it is recommended to change to other drugs for treatment. Roxithromycin is a prescription drug and should be taken under the guidance of a professional doctor. If serious discomfort occurs while taking it, you should go to the hospital promptly.