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Allergens 101

How are surfaces important in controlling airborne allergens? How do you tell the difference between colds and allergies? We're glad you asked. Find all this and more.

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Quick Tips for Reducing Allergens at Home

No matter what your allergy triggers are, the best strategy for preventing symptoms is to try to avoid exposure to the allergens themselves. There are several general steps you can take at home to help reduce allergens overall.

  • Clean hard surfaces (including floors) regularly to reduce allergens such as pollen allergens, dust mite allergens, and pet dander. Launder and/or vacuum soft surfaces.
  • Control your indoor air:
    • Keep the temperatures of between 68 and 72 °F
    • Aim for low humidity (between 40 and 50%)
    • Don't use a humidifier unless your child has croup (a swelling around vocal cords that is common among children). Moisture from humidifiers can increase dust mites and mold.
  • Keep windows closed during pollen season
  • Reduce mold and mildew growth by ensuring good air circulation/ventilation. Clean tiled walls and other hard surfaces where moisture is likely to collect, and clean visible mold from walls and ceilings immediately.
  • Limit exposure to pet allergens, particularly in the bedroom of a family member with allergies
  • Encase mattresses and pillows to prevent exposure to dust mite allergens, and launder all bedding frequently.
  • Consider a HEPA filter. HEPA filters can remove pollen, mold spores, and pet dander from the air. (Note: HEPA filters do not filter dust mites.)
  • Consider allergens when choosing furnishings for your home. The general guideline is that solid, smooth surfaces are better choices than soft ones, in which allergens can get trapped.
    • Flooring: It's easier and more effective to remove allergens from hard surfaces like wood, tile, or vinyl than it is from carpeting. For softness underfoot, use small throw rugs that are washable, and launder them weekly.
    • Furniture: Wood, leather, vinyl or rubberized canvas are better choices than upholstery. Wood furniture with washable seating pads/pillows are a good choice. Choose wood furniture with smooth finishes; these trap fewer allergens than ornate, carved ones. If using upholstered furniture, consider adding washable slipcovers. Choose cupboards and bookshelves that have closed doors.
    • Window treatments: Choose vertical blinds to prevent dust collection. (if you select curtains/draperies, make sure they are washable)
    • Artwork: Avoid soft wall hangings and overhead mobiles. Choose light fixtures with smooth surfaces for easier dusting.