The common causative agents of upper respiratory tract infections include bacteria, viruses and atypical pathogens, and the medications we take for different causative agents are also different: 1. For bacterial infections, we need to use antibiotics for treatment, commonly used antibiotics include cefixime, cefaclor, cefuroxime, amoxicillin, penicillin V potassium tablets, azithromycin, erythromycin, levofloxacin, etc. 2. We can use purgative and antiviral drugs, commonly used purgative and antiviral drugs include Qingkai Ling, Pu Di Lan, commonly used antiviral drugs include Oseltamivir, Zanamivir, Abidor, etc. 3, atypical pathogenic bacteria, we need to use macrolide antibiotics or quinolone antibiotics, such as azithromycin, erythromycin, levofloxacin, moxifloxacin, etc.