Nasonex ALLERGY is a once daily nasal spray that is clinically proven to be highly effective on your nasal allergy symptoms, working at the source - in your nose. It targets and reduces the inflammation, to help relieve and prevent tough hayfever symptoms. Contains the clinically proven active ingredient mometasone furoate monohydrate. Relief and prevention of hayfever symptoms From 12 years to adult Once daily dosing (up to 6 months) Proven Efficacy Targets and reduces the inflammation that causes frustrating nasal symptoms Helps prevent hayfever symptoms before they start. When used prior to exposure to your usual allergy triggers. When used as directed, it provides up to 24 hour relief every day, for short term use (up to 6 months). Do not use for more than 6 months without the advice of your doctor or pharmacist.