 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  and sneezing). It is also used to treat certain growths in the nose (nasal polyps). Mometasone belongs to a class of drugs known as corticosteroids. It works by reducing swelling (inflammation) in the nasal passages. How to use Nasonex 24Hr Allergy 50 Mcg/Actuation Nasal Spray Steroids If you are using the over-the-counter product to self-treat, read and follow all directions on the product package before using this medication. If you have any questions, consult your pharmacist. If your doctor has prescribed this medication, use it as directed. Read the Patient Information Leaflet if available from your pharmacist before you start using mometasone and each time you get a refill. Follow the illustrated directions for the proper use of this medication. If you have any questions, ask your doctor or pharmacist. Use this medication in the nose as directed by your doctor or the product package, usually once or twice daily. Do not spray in the eyes or mouth. Gently blow your nose before using this drug. Shake the bottle well before each use. Follow the instructions to properly prime the spray pump. Remove the protective cap before use. Close one nostril by pressing </s>