Inclusion Criteria:  Adult patients between the ages of 18 and 99 years of age with a diagnosis of chronic rhinosinusitis without polyps who are being scheduled for functional endoscopic sinus surgery  Exclusion Criteria:  Patients under 18 years old, patients with a condition in which the use of systemic corticosteroids is contraindicated (poorly controlled diabetes mellitus, poorly controlled hypertension, active or untreated tuberculosis, active viral or fungal infection, acute angle glaucoma, osteoporosis, or acute congestive heart failure) patients allergic to corticosteroids, or, patients unwilling or unable to take the prescribed course of pre-operative steroids.