How to treat viral respiratory infections? Such as upper respiratory tract infections caused by viruses, upper respiratory tract infections caused by mycoplasma, tuberculosis, etc. All of the above diseases can be transmitted through the respiratory tract, so when a patient is diagnosed with one of these diseases, first of all, proper isolation is required, especially for children and the elderly. For example, for mycoplasma infections, azithromycin and erythromycin, macrolides, or levofloxacin and moxifloxacin, quinolones, and for viral infections, antiviral drugs, such as oseltamivir and abirater, should be used. Patients with pulmonary tuberculosis need anti-tuberculosis treatment. Commonly used drugs include isoniazid, rifampin, pyrazinamide, endostatin, etc. After treatment, the patient’s infectiousness will gradually decrease or even disappear.