You should not wait at all.
Go and visit ENT consultant and get examined.
You may need to get done CT scan
of nose and paranasal sinuses
to see for the ---
Extent of anatomic abnormality in nose
Condition of sinuses
Any complication developing out of it (as you mentioned eye brow is swollen and watering is there)
YOu may need nasal sprays and antibiotics and decongestant tablets and nasal drops.
There could be need for surgical intervention depending on the CT scan report.