How to Kill Dust Mites on Bedding


Dust mites are tiny arachnids that feed on the skin cells of humans. These mites are frequently found in places where people spend a lot of time, and they are the most common cause of household dust allergies, according to the American College of Allergy, Asthma and Immunology. Bedding is the perfect environment for dust mites. If you are allergic to dust mites, take action to kill the mites and reduce allergens in your bedding to relieve allergy symptoms.

Things You'll Need

  • Dehumidifier or air conditioner
  • Hygrometer
  • Wash all bedding weekly. Wash your sheets, pillow cases, blankets and any other bedding in water that is at least 130 degrees F to kill the dust mites and remove allergens, such as mite feces, according to the Mayo Clinic.

  • Dry any items that cannot be washed in a hot dryer (130 degrees F) for at least 20 minutes to kill dust mites.

  • Place items that cannot be washed or dried in a bag and put them in a freezer for at least 24 hours. This is also a good method when dealing with a child's stuffed toys.

  • Run a dehumidifier or air conditioner in the bedroom to keep humidity low. Use a hygrometer (available at hardware stores) to make sure humidity levels stay between 30 and 50 percent; dust mites cannot survive at these levels.

Tips & Warnings

  • Consider placing plastic covers on pillows and mattresses to keep dust mites off of them, as recommended by the American Academy of Allergy, Asthma and Immunology.
  • Choose bedding that is easy to wash.
  • Remember to wash, dry or freeze stuffed animals and other items that are frequently kept in the bed.
  • Freezing items will kill dust mites, but it will not remove dust mite allergens. If you have a dust mite allergy, consider removing items from your bed if they cannot be washed or dried.

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