Food Allergy Info

When a person has a food allergy, their immune system has an abnormal response to a particular food. This response can cause symptoms such as:
 
  • Hives
  • Itching in the mouth
  • Asthma
  • Vomiting
  • In severe cases, serious illness or even death.
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When making a diagnosis, your healthcare provider will ask several questions about your medical history, especially concerning the foods you eat and your reactions to them. You may be asked to keep a diary to help with this. Other techniques used to confirm a food allergy diagnosis include elimination diets and blood tests.
 
Some of the most common food allergies in adults include:
 
  • Shrimp, lobster, crab, and other shellfish
  • Peanuts (one of the chief foods responsible for severe anaphylaxis)
  • Walnuts and other tree nuts.
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Treatment usually involves avoiding the food that causes the reaction.
 
(For more info, including a detailed description of what happens in the body when an allergen is encountered, click Food Allergy.)
 

Food Allergy Info

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