Intersect ENT creates and advances clinically proven ear, nose and throat therapy solutions to enhance surgical procedures and improve outcomes for patients. Sinus surgery is a procedure that aims to open the pathways of the sinuses and clear blockages. This is an option for people with ongoing and recurrent sinus infections, for people with abnormal sinus structure, or abnormal growths in the sinus.You should expect some nasal and sinus pressure and pain for the first several days after surgery. This may feel like a sinus infection or a dull ache in your sinuses. Extra-strength Tylenol is often all that is needed for mild post-operative discomfort.  Antibiotics are standard treatments for bacterial sinus infections. Nasal decongestant sprays. Topical nasal decongestants can be helpful if used for no more than three to four days. Antihistamines. Nasal decongestants and antihistamines. Topical nasal corticosteroids.Sinusitis is an inflammation or swelling of the tissue lining the sinuses.