Allergens: Dust and Dust Mites What are dust allergens? Dust allergens are substances found in dust, and may include: Fabric fibers Lint Feathers Stuffing materials Animal protein (dander, saliva, urine, body oils) Bacteria Mold and fungus spores Food particles Plants Insects and their waste What is a dust mite allergen? Dust mites are microscopic organisms that can live and thrive throughout homes and businesses. The mites and their waste products thrive in: Draperies. Stuffed animals. Bedding. Upholstery.


Allergens: Chemical Sensitivity What is chemical sensitivity? Chemical sensitivity is not considered an allergic reaction because it does not involve the release of IgE (immunoglobin E) antibodies, histamine, or other chemicals by the immune system. However, reactions to certain chemicals may cause reactions similar to those experienced with allergies. Chemicals that cause sensitivity may include synthetic and natural substances found in: Carpeting Plastics Perfumes Plants Paint Cigarette smoke.


Allergens: Animals What is an animal allergen? Allergens found in animals are a common cause of allergic reactions. They are caused by the protein found in an animal’s: Skin Dander Saliva Urine Household pets, like cats and dogs, are the most common sources of animal allergens.


Allergens: Pollen What is pollen? Pollen is the tiny egg-shaped male cells of flowering plants, including trees, grasses, and weeds. Pollen is microscopic in size. It is the most common cause of seasonal allergic rhinitis, sometimes known as hay fever. Which plants produce pollen that cause allergic reactions? Plants that have powdery granules of pollen that are easily blown by the wind, such as: Trees, such as oak, western red cedar, elm, birch, ash, hickory, poplar, sycamore, maple, cypress, and walnut.


Allergens: Mold What is mold? Mold is a member of the fungus family. It is a branching-type growth called hyphae. It rarely dies from heat or cold exposure, but remains dormant until a particular season, such as spring or fall, when it grows and thrives. Where does mold grow? Mold lives in moist conditions where there is oxygen and other chemicals. Places mold may be found are: Outside: On dead or dying vegetation Moist, shady areas Rotting leaves and logs Inside: Damp basements and closets. Bathrooms.