Indoor Asthma Triggers

Environmental tobacco smoke (secondhand smoke) can trigger asthma.

Some of the most common indoor asthma triggers include environmental tobacco smoke (secondhand smoke), dust mites, mold, cockroaches and other pests, and household pets. Visit these Web sites to learn about asthma triggers and how to reduce your exposure to them.

American Lung AssociationExternal

Learn about asthma and how you can control asthma triggers.

  • Home Control of Asthma and Allergies
  • Learn how you can control your asthma at home.
  • Occupational Health Learn about work-related asthma and other breathing problems.
CDC’s National Center for Environmental Health

Our people at the National Center for Environmental Health are working to prevent illness, disability, and death from interactions between people and the environment.

  • Air Pollution and Respiratory Health—Indoor Air PollutionThis site provides information and frequently asked questions from federal, state, and private resources about asthma and indoor and outdoor air pollution.
  • MoldPeople with asthma may be more sensitive to mold. Mold can bring on symptoms of asthma or cause an asthma attack. This site provides basic facts about different kinds of mold and how to get rid of them.
CDC’s National Institute for Occupational Safety and Health

Learn about work-related asthma and how to prevent asthma symptoms.

U.S. Environmental Protection AgencyExternal

This federal agency informs people about the environment and develops and enforces regulations about the environment. Here you’ll find information about how you can control asthma triggers at home:

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Page last reviewed: April 24, 2009