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Your Environment. Your Health.

Allergens & Irritants

various allergens - a smoking cigarette, a roach, a dust mite, mold in the corner of a room, pollen, and a child with an oxygen mask on


Asthma is one of our nation's most common chronic health conditions. Many substances can aggravate allergies or increase the severity of asthma symptoms in individuals who are sensitive to these allergens or irritants.

This Web site is designed to help you survive the seasons by providing information on asthma, allergies and some of the most common seasonal and non-seasonal allergens and asthma irritants such as:

In addition, we provide preventive strategies for each to help you avoid exposure to these substances.

Please remember that information contained on this Web site is provided for educational and informational purposes only and should not be used to guide the diagnosis or treatment of any medical condition without the advice and supervision of a licensed, qualified health care provider.

For information on other pulmonary research performed at NIEHS, visit the Division of Intramural Research Immunity, Inflammation, and Disease Laboratory and the Division of Extramural Research and Training Translational Research sites.

What NIEHS is Doing on Allergens & Irritants

General Information


Organization Contact

Allergy and Asthma Network/Mothers of Asthmatics Inc  


Allergy Basics Center


Allies Against Asthma


American Academy of Allergy, Asthma, and Immunology


American College of Allergy, Asthma, and Immunology


American Lung Association

1-800-LUNG-USA or 1-800-586-4872

Asthma and Allergy Foundation of America

1-800-7-ASTHMA or 1-800-727-8462

National Allergy Bureau

1-800-9-POLLEN or 1-800-976-5536

National Asthma Education and Prevention Program

NHLBI Information Center

National Environmental Education and Training Foundation

Pediatric Asthma Initiative

National Institute of Allergy and Infectious Diseases

NIAID Office of Communications

National Jewish Medical and Research Center

LUNG LINE: 1-800-222-LUNG or 1-800-222-5864



Talking to Your Doctor - Resources from NIH

Content courtesy of the US Centers for Disease Control and Prevention

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