Please trim any nasal hairs to help improve access to nasal cavities. You must fast at least 8 hours prior to your procedure. Please refrain from eating, driving water or other beverages, and chewing gum. Arrange to have someone drive you to and from our office the day of your procedure. Discontinue all over-the-counter decongestant sprays (Afrin, Neosynephrine, Gensal, Threeway, etc.) 7 days prior to procedure.