Pirinase Allergy 0.05% Nasal Spray is used to treat and prevent the symptoms of hayfever and other airborne allergies e.g. pet, house dust mite and mould spore allergies. It relieves symptoms including sneezing, itchy and watery eyes and a runny, itchy or blocked-up nose, for up to 24 hours. The active ingredient is fluticasone propionate, a corticosteroid which, when used every day, has an anti-inflammatory action and works in a similar way to natural body chemicals to control inflammation. This spray helps to control your body\'s reactions to allergens (‘triggers\') in the environment.