Hypersensitivity (also called hypersensitivity reaction) refers to undesirable reactions produced by the normal immune system, including allergies and autoimmunity.

Such reactions are known as hypersensitivity reactions, and the study of these is ... Middleton E, Reed C, Ellis E, eds. Allergy: Principles and Practice. 5 th ed ...

Allergies. Allergies are a hypersensitive immune system responding to normal antigens in the environment. Dr. McBride specializes in the treatment of allergies.

Definition: Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen. Synonym(s): Allergy ...

The original concept of allergy included all immune-mediated disease and the term allergy was interchangeable with the term "hypersensitivity."

Allergy / Hypersensitivity. This is essentially an extreme or irrational form of protective immunity where the immunological response makes a major contribution to ...

What is an allergy? Allergy or hypersensitivity (type 1 allergy) is an abnormal reaction to protein substances that occur naturally. If an allergic person is exposed ...

Summation - Allergy/Hypersensitivity to Fluoride: (Click for more detail) As acknowledged by the Physicians' Desk Reference, some individuals are hypersensitive to ...

What is an allergy? Allergies are a type I hypersensitive immune response to an "allergen" (anything that causes an allergic reaction). Some hypersensitivities cause ...

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health. Janeway CA Jr, Travers P, Walport M, et al. Immunobiology: The Immune ...

An allergy is an exaggerated or hypersensitive response of the immune system to substances called allergens that are not harmful to most people. The common

Allergy / Hypersensitivity . Brief Overview. Allergy tests may help identify which allergens suggested by the history could cause symptoms.

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.

hypersensitive, n abnormally sensitive. Patient discussion about hypersensitive. Q. what is the most common allergy? is it dust allergy? A. thanks, I've heard of a new allergy ...

Allergy is basically a hypersensitivity disorder of your immune system, there are so many types of allergies like, House Dust Allergy, Pet Allergy, Tree Pollen ...

Policy. Aetna considers specific allergy testing and allergy immunotherapy medically necessary for members with clinically significant allergic symptoms.