An allergy is a hypersensitivity disorder of the immune system. Allergic reactions occur when a person's immune system reacts to normally harmless substances in the ...

What Is Allergy?. What Is Allergy? ... Three General Rules Of Allergies; Common Misconceptions About Allergies. Allergy is not a disease in the typical sense.

This article gives you a basic understanding of allergies and allergic reactions.

Causes, incidence, and risk factors. Allergies are pretty common. Both genes and environmental factors play a role. The immune system normally protects the ...

Discover the facts about allergies, including the common causes and symptoms, why it’s thought they’re becoming more common.

The term allergy is used to describe a response, within the body, to a substance, which is not necessarily harmful in itself, but results in an immune response and a ...

An allergy is an exaggerated immune response or reaction to substances that are generally not harmful. Allergies are pretty common. Both genes and ...

Allergies are troublesome and uncomfortable. Itchy skin, watery eyes, runny nose, hives and sometimes even difficulty breathing are all symptoms of an allergic ...

An allergy specialist is also known as an allergist or immunologist. This highly trained doctor needs special schooling to properly treat and diagnose the various ...

AAAAI, the experts in allergy and immunology, provide an overview allergy shots.

Find out what an allergy is and what are the possible treatments.

Describes how allergy tests are used, when allergy tests are ordered, and what the results of an allergy test might mean

Learn whether there is an allergy cure available. ... Is There an Allergy Cure? By Daniel More, MD, About.com Guide. Created August 06, 2010

Find out about common allergies, how to detect them and how to treat them.

An allergy is an abnormal response by the immune system to various things in the environment. Some common factors that may cause a person to have an allergic reaction ...

AAAAI, the experts in allergy and immunology, provide an overview of allergy testing and skin testing.