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 Food Allergies

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King Veis
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PostSubject: Food Allergies   Tue Apr 01, 2008 10:56 am

Definition of Food Allergy
A food allergy is an immune system response. It occurs when the body mistakes a specific food as being harmful. The body creates antibodies (usually IgE) to that food. The next time the person consumes that food an allergic reaction occurs with a release of chemicals (i.e., histamine) to “attack” the “invader”. The symptoms appear within minutes to two hours after the food was eaten. The most common food allergies are to milk, eggs, wheat, peanut, soy, tree nuts (almonds, walnuts, pecans, etc.) fish and shellfish

Symptoms of Food Allergy

• Tingling, itching or swelling of the lips, tongue or mouth
• Nausea, vomiting, diarrhea or abdominal cramps
• Hives, swelling, itching or rash
• Tightness in the throat, chest pain, difficulty breathing or wheezing
• Anaphylaxis (drop in blood pressure, loss of consciousness and body system failure)

Treatment of Food Allergy

Although there is currently no cure for food allergies, research is ongoing. At this time, the best approach is to avoid the allergy-causing food. There are medications that can be given to help alleviate the symptoms associated with an allergic reaction when the food is unknowingly consumed.

Food Intolerance
Food intolerance is not the same as a food allergy. Food intolerance involves the digestive system reacting to an irritating food or being unable to properly digest the food. Lactose intolerance is the most common food intolerance. In lactose intolerance, an enzyme is lacking which is used to digest milk sugar.

Symptoms of Food Intolerance
• Abdominal gas, cramps, bloating or heartburn
• Nausea, vomiting, diarrhea or abdominal pain
• Headaches, irritability or nervousness

Diagnosis

Food allergies can be evaluated using different tests. Sometimes a prick skin test is used or the radioallergo sorbent test (RAST) which is a blood test. Food intolerance is usually diagnosed through trial and error or using a food diary.
Children often lose their sensitivity to most of the common allergenic foods (milk, eggs, wheat and soy). Unfortunately, sensitivity to certain foods, such as peanuts, tree nuts, fish and shellfish is rarely lost and sensitivity persists into adulthood.

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arabella
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PostSubject: Re: Food Allergies   Tue Apr 01, 2008 3:36 pm

i'm allergic to mushroom >__<
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liviani_1994



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PostSubject: Re: Food Allergies   Sun Apr 20, 2008 11:45 pm

I'm allergic to eggs and shrimp!
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