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Asthma triggers: dust mites
Dust mites are microscopic creatures that live in carpets, mattresses, and upholstered furniture. They are present in almost all houses in the United States. To reduce exposure to dust mites, people with asthma should do the following:
- Encase pillows, mattresses, and box springs with allergen-proof, zippered covers.
- Wash all bedding in hot water about once a week.
- Noncarpeted flooring is best. If you cannot get rid of carpeting, vacuum often with a multilayer, allergen-proof vacuum bag. Wear a mask when vacuuming. If your child has asthma, do not vacuum while he or she is in the room. Your healthcare provider can give you information about products that eliminate dust mites from carpeting.
- Avoid heavy curtains or drapes; instead use washable window coverings. Wash window coverings in hot water every two to four weeks. Use plain window shades instead of miniblinds.
- Dust all surfaces often, including lampshades and windowsills, with a damp cloth.
- Keep clutter under control. Toys and books should be stored in enclosed bookshelves, drawers, or closets.
- Replace traditional stuffed animals with washable stuffed animals.
- Keep all clothing in drawers and closets. Keep drawers and closets closed.
- Cover air ducts with filters or cheesecloth. Change these when soiled.
- Use pillows and bedding that do not contain feathers.
- Keep indoor humidity low (25 to 50 percent). Use a dehumidifier.
- Regularly change filters on heaters and air conditioners.
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