As per your symptomatic description, it is now Acute Rhinitis.
The ENT surgeon given medication are excellent..
If you want to seek permanent solution, need to evaluate further,,,like AEC , S I ge level , CT scan PNS ..
Next Steps
Better to go ahead with allergen specific allergy test, CT scan PNS
Health Tips
Avoid dust and cold foods ,, Put Nasal mask will prevent your issue.