The main effects and actions of Roxithromycin are bactericidal, anti-infective and so on. Roxithromycin belongs to the class of macrolide antibiotics, the main efficacy and function is sterilization, anti-infection and so on. Roxithromycin can be used to treat upper respiratory tract infections such as pharyngitis and tonsillitis, lower respiratory tract infections such as acute bronchitis and pneumonia, as well as urinary tract infections such as urethritis and cervicitis. Common adverse reactions of Roxithromycin include abdominal pain, diarrhea, nausea, vomiting, etc. Rarely, there are skin rashes, dizziness, liver function abnormalities, and peripheral blood cell decline. Roxithromycin is widely used in clinical practice, but it should be noted that it is forbidden to use in patients who are allergic to roxithromycin, erythromycin or other macrolides. It is recommended that patients consult a professional doctor in detail before using Roxithromycin to rule out contraindications to the use of medication and use the drug in strict compliance with medical advice to avoid adverse consequences.