- Allergy & Asthma Network Mothers of Asthmatics - A national network of families whose desire is to overcome, not cope with, allergies and asthma.
- Asthma and Allergy Foundation of America - AAFA is dedicated to improving the quality of life for people with asthma and allergies, through education, advocacy and research. Information, community-based services, support and referrals through a national network of chapters and support groups.
- Living Well with Asthma - Web site of The Asthma Society of Canada. For adults and children. Information, resources, message board.
- National Institute of Allergy and Infectious Diseases - Leading research to understand, treat, and prevent infectious, immunologic, and allergic diseases.