Food Allergy Panel 2 IgE Blood Test
The food allergy panel 2 measures the amount of allergen-specific IgE antibodies in the blood in order to detect an allergy to various common foods.
Food allergies are remarkably high. They currently affect about 5% of adults and 8% of children. Although allergies appear to run in families, whether a child will inherit the food allergy of a parent or if siblings would have a similar reaction can not be predicted. Interestingly, while any food can cause an allergy, only a small number of common foods cause most food allergies. Foods tested in this panel include:
- Milk (Cow)
- Egg White
- Sesame Seeds
Even exposure to minimal amounts of problematic food can cause an allergic reaction for individuals with a food allergy.
True food allergies are broken into two major types, either IgE or non-IgE antibodies. Antibodies are a form of blood proteins that the immune system uses to identify and combat infection. Like every allergy, a food allergy causes a reaction in the immune system. When contact is made with the allergen, the body views it as toxic and becomes sensitized, producing IgE antibodies against these contaminants. These antibodies trigger the release of histamines, which will cause the symptoms of an allergic reaction.
Allergy symptoms vary from one individual to the next ranging from mild to severe reactions. The skin, gastrointestinal tract, cardiovascular system, and respiratory tract may be involved in the effects of an allergic reaction. The symptoms can include one or more of the following:
- Stomach cramps
- Repetitive cough
- Shortness of breath
- Swelling of the tongue, this would affect the ability to talk and breathe
- Hoarse throat
- Shock or circulatory collapse
- Trouble swallowing
- Dizziness or faint feeling
- Pale skin
- Weak pulse
Within two hours of ingestion, most food-related symptoms occur; however, they frequently begin within minutes. The reaction can be delayed by four to six hours or even longer in certain very rare cases.
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