So what could these allergens be? They are tiny particles in the air we breathe, like pollen, cat hair or dust, which people may come into contact with every day.1 When a person who suffers from allergic rhinitis comes in contact with an allergen that affects them, the immune system mistakes it for a harmful invader, and prepares itself to fight against it. The immune system then sends in the "soldiers" to fight the allergen - all this extra activity leads to swelling (inflammation) of nasal passages and lots of extra snot.2, 3
Pollens from grass, trees, weeds and some fungi 1, 4
Animal fur, cockroach waste, house dust mites and mould 1, 3
Cigarette smoke, exhaust fumes, laundry products, cosmetics, pool chlorine, air pollutants, hair spray and perfume 2, 4
By taking note of the circumstances when you experience symptoms, you might be able to work out what allergens trigger your hay fever.
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