Hospital News

Food Allergy Awareness Week Observed May 10-16

Kimball Medical Center Offers Information About Dangers of Food Allergies

Lakewood, NJ -- You could get very sick, or even die from the food that you eat, and these problems are more common than you think.

Food allergies cause 30,000 trips to the emergency room and between 150 to 200 deaths each year. Of the approximately 11 million Americans who suffer from food allergies, 3 million of them are children under the age of 18.

May 10-16 is Food Allergy Awareness Week, designated to alert the public about the dangers of food allergies. 

“A food allergy is an immune system response to a food that the body mistakenly believes is harmful. Once the immune system decides that a particular food is harmful, it creates specific antibodies to it,” says Cathy Heintz, RD, CDE, Chief Clinical Dietitian at Kimball Medical Center.  The next time that same food is eaten, the immune system releases massive amounts of chemicals, including histamine, in order to protect the body. These chemicals trigger a cascade of allergic symptoms that can affect the respiratory system, gastrointestinal tract, skin, or cardiovascular system.

“Depending on the allergen and the situation, there can be a very severe reaction with sudden wheezes, coughs, rashes and, or hives,” says Heintz. “In the most severe cases, patients can die.”

The most common food allergies are milk, eggs, seafood and peanuts, followed by tree nuts (walnut, cashew, etc.), fish, shellfish, soy and wheat.  Unfortunately, the only real way to find out if you have a food allergy is when you have a reaction.

Symptoms range from a tingling sensation in the mouth, swelling of the tongue and the throat, difficulty breathing, hives, vomiting, abdominal cramps, diarrhea, drop in blood pressure, loss of consciousness, to death.  Symptoms occur within minutes to two hours after contact with the allergy-causing substance, but in rare instances may occur up to four hours later.

Allergic reactions to foods can vary dramatically. "They can range from just a mild rash to very severe swelling in the throat and the airways in the lungs so that there is a complete inability to breathe," says Heintz.

A more severe reaction to a food allergy is anaphylaxis, a sudden, potentially fatal, systemic allergic reaction that can be mild to life-threatening.  Anaphylaxis is responsible for an estimated 2,000 hospitalizations each year.

People with asthma, eczema, or hay fever are at greater relative risk of experiencing anaphylaxis, and those who are allergic to foods and have asthma are believed to be at a higher risk for developing an anaphylactic reaction.

“Strict avoidance of the allergen is the only way to avoid a severe reaction. Read food labels for every food each time you eat it. Ask questions about ingredients and preparation methods when eating away from home,” says Heintz.

If symptoms are severe, or resemble anaphylaxis, emergency medical help should be sought immediately.

The best treatment for food allergies is Epinephrine, also called adrenaline, the medication of choice for controlling a severe reaction. It is available by prescription as an EpiPen® auto injector and should be carried at all times if you have a food allergy.

A recent study of fatal food allergy-induced anaphylaxis showed that adolescents who have peanut and tree nut allergy and asthma and do not have quick access to epinephrine, EpiPen®, during a reaction, are at highest risk for a fatal reaction.

Parents should check with their child’s pediatrician if they suspect a food allergy.  Tests are available to determine if an allergy exists. Patients should wear a MedicAlert® bracelet or necklace noting the allergy.

Children typically outgrow their allergies to milk, egg, soy and wheat, while allergies to peanuts, tree nuts, fish and shrimp usually are not outgrown.

The Food and Drug Administration's Center for Food Safety and Applied Nutrition has made it a high priority to boost consumer and food industry awareness of food allergens. The FDA is conducting food allergen education programs for consumers and the industry, and is developing a strategy for clear, easy-to-understand labeling of food allergens.

To schedule an appointment with an allergist on staff at Kimball Medical Center, call the Barnabas Health Care Link at 1.888.724.7123.

Date: May 12, 2009

CONTACT: Carrie Cristello
Director, Public Relations
732-923-6552
ccristello@barnabashealth.org

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