an acquired, abnormal immune response to a substance that can cause a broad range of inflammatory reactions.
Allergies are inappropriate or exaggerated reactions of the immune system to substances that, in the majority of people, cause no symptoms. ...
A condition in which the body has an exaggerated response to a substance (eg food or drug).
an excessively sensitive state involving the immune system as a result of exposure to certain substances, usually proteins.
An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms. Common indications of allergy may include sneezing, itching, and skin rashes.
an over-reaction of the body's immune system. See allergy for more information.
an exaggerated or inappropriate immune response initiated by exposures to antigens such as mold spores, pollen, or certain drugs and foods
A high sensitivity to certain substances, such as pollen, fungi, molds, or certain foods.
a misguided reaction by the immune system to harmless foreign substances.
Sensitivity to a substance, accompanied by sneezing, itching, watery eyes, difficulty breathing or rashes.
An immediate or delayed immune reaction caused by exposure to an antigen (allergen).
When a person is very sensitive to certain foods, liquids, pollen, or animals. The allergy can make the person ill, including sneezing, itching, and rashes. Severe allergies can even be fatal (cause death). ...
a word used to describe an abnormal immune system response to a substance (allergen) that would otherwise be harmless.
hypersensitivity, often to external agents, in which mast cells of the immune system initiate inflammation.
an exaggerated response to a substance or condition produced by the release of histamine or histamine-like substances in affected cells.
(al·ler·gy) (al´ər-je) [all- + ergon work] 1. a state of hypersensitivity induced by exposure to a particular antigen (allergen) resulting in harmful immunologic reactions on subsequent exposures; the term is usually used to refer to hypersensitivity to an environmental antigen (atopic ...
An unusual sensitivity to a substance normally harmless to others. The host mounts an immunologic response against an allergen and reacts whenever exposed to it. Usually caused by a foreign antigen in food, pollen or chemicals.
A state of abnormal and individual hypersensitivity acquired through exposure to a particular substance called an allergen.
Hypersensitivity to substances including ( but not limited to ) environmental and foods. Some symptoms produced by allergy are sneezing, rashes, itching, fatigue, and depression.
Treatment of hay fever, asthma, and other allergic disorders.
immunological hypersensitivity to certain foreign antigens.anemia – reduction of red blood cells or hemoglobin. The red cells contain the protein ‘hemoglobin’ which binds oxygen in the red blood cell. This allows the transport of oxygen from the lungs to the tissues. ...
Hypersensitivity to a foreign protein which produces a violent reaction eg. Hayfever, asthma, irritable bowel.
This is a condition that involve an immunity in the body against a variety of things that can come into the body including grasses, pollens, molds, etc. The immunity that results is a special one involving an antibody called IgE. ...
When your body is sensitive to something, like pollen, foods, animals, or drugs, you may have a reaction such as sneezing, itching, and skin rashes.
IgE antibody response to allergens such as insect venom, dust mites, pollen, pet dander, drugs or some foods.
hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity
The word 'allergy' was coined by the Viennese pediatrician Clemens von Pirquet in 1906. Pirquet noted that some of his patients were hypersensitive to normally innocuous entities such as dust, pollen, or certain foods. ...
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