Causes. Allergies are pretty common. Both genes and environmental factors play a role. The immune system normally protects the body against harmful substances, such ...

Get the facts about allergic reactions, causes, allergy types (food, dust, mold, seasonal), symptoms and signs (skin rash, itching, red bumps, sneezing).

An index of categories in the Allergies GuideSite ... Allergy Basics. Start here for a basic overview of allergic diseases. The most common questions posed by patients are ...

A food allergy is an adverse immune response to a food protein. They are distinct from other adverse responses to food, such as food intolerance, pharmacological reactions, and ...

al·ler·gy (l r-j) n. pl. al·ler·gies. 1. An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms. Common indications of allergy may ...

An allergy is an exaggerated immune response or reaction to substances that are generally not harmful.

An allergy is a reaction of your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing.

Get the facts about allergic reactions, causes, allergy types (food, dust, mold, seasonal), symptoms and signs (skin rash, itching, red bumps, sneezing).

Allergies — Comprehensive overview covers allergy symptoms, allergy testing, treatment of an allergic reaction.

Your eyes itch, your nose is running, you're sneezing, and you're covered in hives. The enemy known as allergies has struck again.

allergy /al·ler·gy/ (al´er-je) a hypersensitive state acquired through exposure to a particular allergen, reexposure bringing to light an altered capacity to react.

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 may be ...

While post nasal drip may be caused by allergies, there are a number of other diseases than can cause this debilitating symptom.

Allergies Definition. Allergies are abnormal reactions of the immune system that occur in response to otherwise harmless substances. Description

Up to 50 million Americans, including millions of kids, have an allergy. Find out how allergies are diagnosed and how to keep them under control.

Pollen.com - Click on the current allergy forecast USA Map to get your local allergy report. Track you allergies with MyPollen, check past allergy levels, and more features at ...