Roxithromycin is used to treat related diseases caused by Streptococcus pyogenes, sensitive bacteria, Chlamydia trachomatis and others. 1. Roxithromycin can treat pharyngitis and tonsillitis caused by Streptococcus pyogenes. 2. Roxithromycin can be used for the treatment of sinusitis, otitis media, acute bronchitis, acute exacerbation of chronic bronchitis caused by sensitive bacteria and soft tissue skin infections caused by sensitive bacteria. 3. Roxithromycin can be used to treat urethritis and cervicitis caused by Chlamydia trachomatis (except gonococcal infection). Precautions: Adverse reactions to Roxithromycin include nausea, diarrhea, cramping pain, and skin irritation. Contraindications: allergy, severe liver function abnormalities, patients taking ketoconazole. Do not engage in driving and mechanical operations immediately after taking Roxithromycin, because even when the drug is correctly administered, vertigo conditions may occur, affecting the ability to operate, especially during the initiation phase of the drug, after the dose has been increased, and when it is taken with alcohol.