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Found Allergen 11 times.

Displaying results 1 to 10.

1. Allergen
Something which can cause an allergic reaction. For example, ragweed pollen is the allergen which causes hay fever.

2. Allergens
Antigens that provoke an allergic reaction.

3. Allergy
A harmful immune reaction, either immediate-type or delayed-type hypersensitivity caused by a foreign antigen (i.e. allergen ) in food, pollen, or chemicals. In most cases the cause of the allergy is otherwise harmless to the body.

4. Delayed hypersensitivity
Hypersensitivity (increased reaction by the body to a foreign substance such as an antigen or allergen ) that does not appear until 24 to 48 hours after the body is exposed to the foreign substance.

5. Guinea pig maximization test
This is a skin test for screening possible contact allergen s. It is considered to be a useful model for predicting likely moderate and strong sensitizers in humans.

6. Hay fever (allergic rhinitis)
Hay fever is characterized by headache , nasal congestion, rhinorrhea (runny nose), sinusitis , sneezing, eye irritation, tearing. It is due to seasonal allergy to plant allergen s, usually pollen s.

7. Hypersensitivity
An increase in the immune reaction by the body to a foreign substance such as an antigen or allergen , often caused by previous exposure to the same substance. Many food allergies, such as to nuts, work in this manner.

8. Hypoallergenic
Describes substances (like medicine, cosmetics, toiletries) which are very unlikely to cause an allergic reaction.

9. IgE
A class of immunoglobulin protein s which are produced in response to the presence of allergen s and which bind to mast cell s (causing the mast cells to produce histamine s). One of five classes of immunoglobulin.

10. Immunotherapy
A type of medical treatment which includes a combination of immunopotentiator and immunosuppressant agents, desensitization to any allergen s, bone marrow transplants, and thymus implantations.

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