Yes, prescription or over-the-counter intranasal corticosteroid sprays like Flonase are frequently prescribed as a frontline medical treatment to effectively reduce inflammation and shrink swollen turbinates. By suppressing local immune responses and reducing vascular engorgement within the nasal mucosa, daily consistent usage of steroid sprays can significantly open up nasal airways for patients suffering from allergic rhinitis. However, medications must be used continuously as directed by a physician, and if chronic structural enlargement persists despite weeks of therapy, surgical evaluation may become necessary.