looks like upper respiratory tract
As per your history and symptoms it looks like upper respiratory tract infection or allergic congestion to throat.
Primarily you can take analgesic
with anti-inflammatory like enzomac
plus and antitussive logenzes.
Avoid exposure to strong wind. Do betadine
Consulting his doctor site of infection can be confirmed, usually there can be involvement of lower respiratory tract, antibiotic can be started according to examination.
If required you may need to do blood investigation for prognosis and recovery.
Take precaution to avoid spread of infection.
Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.
Wishing you good health.