NASACORT AQ NASAL SPRAY 120mcgNASACORT AQ Nasal Spray Uses, Benefits, and Side Effects NASACORT AQ Nasal Spray contains Triamcinolone Acetonide, a corticosteroid that helps reduce inflammation inside the nasal passages. It is used to treat and prevent symptoms of allergic rhinitis such as nasal congestion, sneezing, itching, and runny nose. Uses: Relief of nasal allergy symptoms (seasonal or perennial allergic rhinitis) Reduces nasal inflammation and swelling Improves breathing