What are the symptoms of upper respiratory tract infection ?

Upper respiratory tract infection symptoms usually include the following:

1.Nose symptoms: such as rhinorrhea, nasal congestion, sneezing, etc.

2.Throat symptoms: such as sore throat, cough, hoarseness, etc.

3.Systemic symptoms: such as fever, headache, fatigue, loss of appetite, etc.

4.Other symptoms: such as conjunctival congestion, ear pain, pharyngeal secretions, etc.

These symptoms may appear within 1-3 days of infection and last for 7-10 days in general. For people with weakened immunity, such as the elderly, children, and those with chronic diseases, upper respiratory tract infection may cause serious complications such as pneumonia, otitis media, etc.