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Can mold cause health problems?

 Molds are usually not a problem indoors, unless mold spores land on a wet or damp spot and begin growing.  Molds have the potential to cause health problems.  Molds produce allergens (substances that can cause allergic reactions), irritants, and in some cases, potentially toxic substances (mycotoxins).  Inhaling or touching mold or mold spores may cause allergic reactions in sensitive individuals.  Allergic responses include hay fever-type symptoms, such as sneezing, runny nose, red eyes, and skin rash (dermatitis).  Allergic reactions to mold are common.  They can be immediate or delayed.  Molds can also cause asthma attacks in people with asthma who are allergic to mold.  In addition, mold exposure can irritate the eyes, skin, nose, throat, and lungs of both mold-allergic and non-allergic people.  Symptoms other than the allergic and irritant types are not commonly reported as a result of inhaling mold.  Research on mold and health effects is ongoing.  This brochure provides a brief overview; it does not describe all potential health effects related to mold exposure.  For more detailed information consult a health professional.  You may also wish to consult your state or local health department.

Read more about mold at www.epa.gov/mold

  1. The key to mold control is moisture control.
  2. If mold is a problem in your home, you should clean up the mold promptly and fix the water problem.
  3. It is important to dry water-damaged areas and items within 24-48 hours to prevent mold growth.
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Topic Information
  • Topic #: 23002-14715
  • Date Created: 4/30/2008
  • Last Modified Since: 10/12/2010
  • Viewed: 53903

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