An allergy is a sensitivity to a certain substance which, in similar quantity, is tolerated by non-allergic people.
The allergen is the specific protein substance that a person is allergic to. The presence of this allergen in the body causes a series of chemical reactions in the immune system which result in individual signs & symptoms.
The tendency to be allergic is inherited; the actual allergy is not inherited.
Types of skin testing, how the tests work, what factors can affect a skin test, skin testing for food allergies and tests considered unnecessary. www.nationaljewish.org/medfacts/testing.html
In-depth look at this disorder including general information, environmental problems, food, medical problems, medicines, testing, allergy shots and frequently asked questions. www.sinuses.com/allergy.htm
An educational site for patients about diseases related to the nose, sinuses, head and neck. Numerous topics discussed such as, allergy philosophy, allergen avoidance and medication. Message board on site. www.geocities.com/shouser144
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. www.allergynursing.com
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. www.allernet.com/index.html
The Allergy Guide offers up-to-date information and useful advice. Information about this disorder as well as what it means to be a sufferer. www.bbc.co.uk/health/allergy
A comprehensive allergy information site. Browse anonymously or sign up for a personalized report with information specific to your needs. www.savonallergies.com