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 ...

Most everyone has an idea of what allergies are, but an allergist's definition of an allergy is quite different. Dr. Daniel More, a board-certified ...

Brief and Straightforward Guide: What is an Allergy? ... An allergy is an immune system response to a substance the body perceives as harmful.

Featured Image. Picture of Psoriasis. A reddish, scaly rash often located over the surfaces of the elbows, knees, scalp, and around or in the ears, navel, genitals or ...

AAAAI, the experts in allergy and immunology, provide an overview of allergic reactions.

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

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 ...

Imagine this: You take a bite of a crisp fall apple and notice your lips feel a little itchy. An odd sensation, but you ignore it and take another bite.

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 ...

An allergy is an overcompensation of the body’s immune system when confronted with the protein of a food, a drug (such as penicillin), a bee sting or an airborne ...

Pet allergy — Comprehensive overview covers symptoms and treatment of allergy to some pets.

I had an incident happen in a restaurant and I'm wondering if this is an allergy. I have no history of food allergy that I know of. We went out for supper in a ...

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

An Allergy To Mustard. An allergy to mustard is an uncommon food allergy. Common foods that cause an allergic reaction include: fish, shellfish, wheat, soy, milk ...

Latex allergy — Comprehensive overview covers symptoms and treatment of this dangerous but common allergy.

Send an eCard The summary of the U.S. food allergy guidelines for patients, families, and caregivers