U.S. Department of Health and Human Services

Health Tip: Considering a Humidifier?

It may not be best for those with allergies

(HealthDay News) -- Dry, cold winter air may lead you to consider running a humidifier. But if you have allergies, the device may not be the best choice.

The American Academy of Allergy Asthma and Immunology offers this advice:

  • Running a humidifier may promote mold and dust growth.
  • Dust mites, a common cause of allergies, thrive in humid environments.
  • Maintain a humidity level of between 30 percent and 40 percent to reduce dust mites.
  • Regularly change and clean the filter in your humidifier to prevent mold growth. Also regularly clean the humidifier itself.
  • Use demineralized or distilled water in your humidifier, which will help lessen bacteria and dust.

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