These allergies are caused by: pollen, pet dander, dust particles, and mold spores.
Taking into account the airborne allergens listed above, there are two forms of allergic rhinitis: Seasonal Allergic Rhinitis (also called Hay Fever or Pollinosis) and Perennial Allergic Rhinitis.
TUESDAY, July 1, 2025 (HealthDay News) —Exposure to wildfire smoke might make some people more likely to fall ill by altering their immune systems, a new study says.
Fire smoke appears to affect the immune system on a cellular level, researchers report in the journal Nature Medicine.