Nasal polyps are nothing But swelling of tissues usually due to allergy.
The seriousness of it can be decided on a CT scan of the sinuses, which usually shows how many polyps are from where they arise.
Surgery is The final treatment of polyps, if they don’t respond to medications and recurrence post surgery depends on how much your allergy is under control. You may need to take nasal sprays post surgery as well.
Next Steps
Plz do CT scan of the sinuses