| All Allergy Net | | Provides information on symptoms, medication, and treatment. |
| Allergic Conjunctivitis | | A look at the condition, its prevention, treating the symptoms and if the medicine has side affects. |
| Allergy | | In-depth look at this disorder including general information, environmental problems, food, medical problems, medicines, testing, allergy shots and frequently asked questions. |
| Allergy Advice | | Information about dust, pollen, and pet allergies including hayfever treatment. From Benadryl. |
| Allergy Newswire | | Provides archive of articles on allergies and a free monthly newsletter with the latest allergy, hay fever, and pollen information. |
| Allergy Nursing | | An allergy nurse answers questions and provides patient-education material from a nursing perspective, and offers a discussion group for allied health or technicians in this field. |
| Allergy Web | | Offers information for patients and professionals. |
| AllergyVoice | | Interactive survey to capture the experiences of people with allergies and take their voice to health care leaders. |
| Allernet | | A large variety of resources for allergy sufferers with pollen count maps, photos of mold spores and tree pollens, frequently asked questions, and directories of specialists. |
| Allerpet, Inc. | | Allergy information for people who are allergic to dust mites and household pets. |
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