Food Allergies

Food allergies occur when the body’s immune system reacts against a substance in food causing an allergic reaction. Common examples of food allergies include nut allergies (e.g. peanut allergy) and seafood allergies (e.g. shellfish allergy). Not all reactions to food are allergies, but could be an “intolerance ...

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Introduction: Food Allergies

NIAID is the lead Institute at the National Institutes of Health conducting research on food allergy, a condition that affects approximately 5 percent of children and 4 percent of adults in the United States. In a person with food allergy ...1

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Symptoms of Food Allergies

Symptoms of food allergy can include coughing; tingling in the mouth; skin reactions like hives and itching; and nausea, vomiting, stomach pain or diarrhea. Food allergies can also cause a sudden and severe allergic reaction called anaphylaxis. Anaphylaxis brings life ...2

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Complications of Food Allergies

People with asthma are particularly at risk for anaphylactic reactions. “If a child has asthma,” Metcalfe says, “it’s very important for parents to know that their child is at greater risk, because most deaths in children from anaphylaxis to ...3

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Causes of Food Allergies

Food allergies occur if your immune system has an abnormal reaction to food. Normally, your immune system protects you from germs and disease by fighting off the harmful organisms that can make you sick. When your immune system makes a ...4

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Causes List for Food Allergies

Some possible causes of Food Allergies or similar disorders may include:5

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Types of Food Allergies

Foods that can cause allergies include fish and shellfish such as shrimp, crayfish, lobster and crab; eggs, milk, peanuts, and tree nuts such as walnuts. Peanut and tree nut allergies are the leading causes of anaphylaxis. ...Source: NIH News in ...6

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Diagnosis of Food Allergies

Skin tests are the most common tests for allergies like hay fever, but people with food allergies can have serious reactions to skin tests. According to Dr. Daniel Rotrosen, director of NIAID’s Division of Allergy, Immunology and Transplantation, blood ...7

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Genetics of Food Allergies

Research shows that you’re more likely to develop food allergies if several members of your family have allergies. That includes any type of allergy, including hay fever. If you have 2 allergic parents, you’re more likely to develop ...8

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Risk Factors for Food Allergies

Personal medical history, family history, age and other factors can influence the likelihood that a person develops food allergy. NIAID researchers are currently investigating the role that early introduction of common allergens plays in the prevention of food allergy. Source ...9

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Treatments: Food Allergies

The only cure for a food allergy is to avoid that particular food. So if you have any unpleasant reaction to food, see your doctor to find out what’s causing the problem. Although many people have bad reactions to ...10

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Prevention of Food Allergies

“What is troubling is that in this study we found that a significant number of young children received allergenic foods from parents who were aware of the allergy,” says the study’s lead author, Dr. David Fleischer of National Jewish ...11

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Research for Food Allergies

To learn more about food allergies in preschoolers, NIH-funded scientists followed 512 infants for 3 years. All had known or suspected allergies to milk or eggs. When the study began, the kids were 3 to 15 months old, and ...12

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  1. Source: NIAID (NIH): topics/ foodallergy/ Pages/ default.aspx
  2. Source: NIH News in Health (NIH): 2008/ May/ docs/ 01features_01.htm
  3. ibid.
  4. ibid.
  5. Source: Algorithmically Generated List
  6. Source: NIH News in Health (NIH): 2008/ May/ docs/ 01features_01.htm
  7. ibid.
  8. ibid.
  9. Source: NIAID (NIH): diseases-conditions/ food-allergy
  10. Source: NIH News in Health (NIH): 2008/ May/ docs/ 01features_01.htm
  11. Source: NIH News in Health (NIH): issue/ aug2012/ capsule1
  12. ibid.

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.