Indoor Asthma Triggers

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 icon
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
CDC’s National Center for Environmental Health
- Air Pollutants This site provides information and frequently asked questions from federal, state, and private resources about asthma and indoor and outdoor air pollution.
- Mold People 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 icon
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:
- Attack Asthma. Learn More.external icon Did you know that things in the bath, blankets, or stuffed animals can trigger an asthma attack? Find out how to reduce common asthma triggers in your home.
- Clear Your Home of Asthma Triggers [PDF – 244 KB]external icon This PDF file provides information on how to eliminate asthma triggers in the home and how to reduce symptoms in children.
- Indoor Environmental Asthma Triggersexternal icon Learn how you can reduce common asthma triggers in the home and in other indoor environments.
- A Brief Guide to Mold, Moisture, and Your Homeexternal icon This guide tells how to clean up mold problems and prevent mold growth in your home.
U.S. Department of Housing and Urban Developmentexternal icon
- Safety Tips for Using Foggers and Misters Indoors pdf icon[PDF – 812 KB]external icon Know what precautions to take when using foggers or misters to apply pesticides, sanitizers, disinfectants, or other chemicals indoors.
Page last reviewed: January 20, 2022
Content source: National Center for Environmental Health