Pirinase hayfever nasal spray can help to treat and prevent hayfever and other airborne allergies caused by environmental elements such as pollen pet dander dust mites mould spores or pollen it also helps to treat nasal congestion formulated with a unique direct action it helps to relieve allergy symptoms where they start anti inflammatory action it is developed with an anti inflammatory action that works in a similar way to natural body chemicals to control inflammation and your bodys