How does nasal corticosteroid spray work?
- A nasal corticosteroid spray reduces swelling and mucus in the nasal passageway. The sprays work well for treating
- Allergic rhinitis symptoms, such as congestion, runny nose, sneezing, itching, or swelling of the nasal passageway
- Nasal polyps, which are noncancerous (benign) growths in the lining of the nasal passage
- A nasal corticosteroid spray is different from other nasal sprays you can buy at the store to relieve symptoms of a cold.