General Allergy, Asthma or Immunology Information: 
American Academy of Allergy,Asthma and Immunology (AAAAI)

American College of Allergy,Asthma and Immunology (ACAAI)

Useful Patient Information Pamphlets

Useful Disease Summary Guides for Patients

Pollen Counts for Dallas Metroplex

ACAAI's Patient Educational Resources

Asthma:
Allergy and Asthma Network – Mothers of Asthmatics

Global Initiative for Asthma

American Lung Association

Asthma and Allergy Foundation of America

Food Allergy:
Food Allergy Anaphylaxis Network

Food Allergy Network for Children

Celiac disease foundation

Atopic Dermatitis / Eczema:
Resource for eczema and allergic dermatitis from the American Academy of Dermatology

Hereditary Angioedema:
United States Hereditary Angioedema Association

Other Useful websites:
Eosinophilic Disorders, including Eosinophilic Esophagitis

Latex Allergy

Asthma and Allergy medications cost assistance program

Primary Immunodeficiency Resource Center