Allergy and Asthma Foundation of America
AAFA has Educational Support Groups (ESGs) across the country to help you gather relevant information about asthma and allergies and find emotional support.
American Academy of Allergy, Asthma and Immunology - Lay Allergy
AAAI features links from their site to various asthma and allergy support groups around the country.
Asthma Society of Canada
Get support and information from the ASC.