Of all the inhaled allergens that affect indoor air quality, dust is the most common. Dust mites, pet dander, and pollen are common allergens that cause seasonal rhinitis, commonly known as “hay fever.”
Allergic asthma is triggered by allergens: substances capable of stimulating the body’s immune system into bringing about an allergic reaction.
When talking about asthma, the term “allergy” is frequently used, but it is often poorly understood. Learn what it really means and what constitutes an allergic reaction.