As the disease course is generally idle, prolonged medical treatment guidelines are for antibiotic treatment, prescribed accordingly following appropriately obtained nasal cultures, lasting weeks with or without additional topical or oral steroid treatment. While FESS success rate is a general notion, a failure rate of primary FESS is as high as 2-24%2, with a Cochrane review even suggesting that FESS though a safe procedure is of no benefit more than medical management.