Allergic rhinitis, often called hay fever, occurs when your
immune system overreacts to particles in the air that
you breathe—you are allergic to them. Your immune system causes symptoms such as sneezing and a runny nose. The particles
allergens, which simply means they can cause an
types of allergens cause allergic rhinitis, including
animal dander, and cockroaches. Although polluted air
is not an allergen, it can irritate your nose and lungs. An irritated nose or
lungs may make an allergic reaction more likely when you breathe in an
E. Gregory Thompson, MD - Internal Medicine
Rohit K Katial, MD - Allergy and Immunology
June 30, 2011
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