What about nasal congestion, cough and yellow sputum?

The symptoms of nasal congestion, cough and yellow sputum are often caused by colds caused by infection. The causes of infection include bacteria, viruses, etc., and specific needs to be identified at the hospital. Suggestions: If it is a bacterial infection, give antibiotics for treatment. If the cough is serious, you can also give cough and phlegm symptomatic treatment.