What causes allergic rhinitis?
There are two causes of allergic rhinitis: First, if your parents are allergic to stuff like soap and dogs, you are more likely to have allergies too than someone whose family does not have allergies. Second, your body reacts to exposure to allergens. An allergen is anything that causes an allergic reaction in you.
There are more than 30 types of pollen and 20 types of spores that can trigger allergic rhinitis. Grass pollen is the most frequent cause of hay fever. Tree pollen can also cause problems. Troublesome trees include the elder, horse chestnut, hazel and birch. The birch is the most common culprit. Weeds like plantains, mugwort, nettles and docks also produce bothersome pollen. Wind pollinated flowers (eg. the daisy family) are another common source of problems. Spores are produced by fungi, such as mushrooms and mould. Compost heaps are a frequent source of these. Different pollens and spores are released throughout the year. To identify which one may be causing your allergy, as a starting point, make a note of when your symptoms occur. What causes perennial rhinitis?? The major indoor allergens that cause perennial rhinitis are the house dust mite and furry and feathery animals. Other things that can cause problems all year round are moulds, certain chemicals and some foods. Unfortunate
