Peanut allergy is one of the most common food allergies, particularly in children, and involves an overreaction of the immune system to proteins found in peanuts. Unlike tree nut allergies, peanut allergy is to a legume, not a true nut. This allergy can range from mild reactions to severe, potentially life-threatening conditions like anaphylaxis....


What are symptoms of peanut allergy?

  • Hives, redness, or swelling of the skin
  • Itching or tingling in or around the mouth and throat
  • Digestive problems, such as diarrhea, stomach cramps, nausea, or vomiting
  • Tightening of the throat, difficulty breathing, or wheezing
  • Runny or congested nose, sneezing
  • Anaphylaxis in severe cases

What foods cross-react with peanut allergy?

  • Other legumes like soybeans, peas, lentils, and beans may cause reactions in some individuals.
  • Tree nuts, such as almonds, walnuts, and cashews, due to potential cross-contamination, though cross-reactivity is less common.

When should I consider getting a peanut allergy test?

  • If you or your child experiences symptoms suggestive of an allergic reaction after consuming peanuts or peanut-containing products.
  • If there’s a family history of peanut or other food allergies.
  • Prior to introducing peanuts into an infant’s diet, especially if there’s a known family history of allergies.

How do I reduce my peanut allergy symptoms?

  • Avoid peanuts and peanut-derived products, including peanut butter, peanut oil, and foods containing peanuts.
  • Read food labels carefully to check for the presence of peanuts.
  • Be cautious when dining out, and inform restaurant staff about the peanut allergy to avoid cross-contamination.
  • For mild reactions, over-the-counter antihistamines may help alleviate symptoms.
  • Always carry an epinephrine auto-injector if prescribed, and know how to use it in case of an anaphylactic reaction.
  • Regularly consult with an allergist for ongoing management and potential desensitization therapies.

Test(s) that measure/test for Peanuts

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