You have mucosal edema and blocked sinus opening .
You have to take antibiotics , decongestants , nasal saline and steroid
Then you will have to get operated for ---
the deviated nasal septum
needs to opened and the sinus disease needs to be cleared .
These sinuses are the hollow spaces with the nasal skin or the mucosa over it.
Due to allergies or anatomical deformity
like the deviated septum or spur which you have the sinuses do not get ventilated properly and the mucosa get edematous and polyps form.