Tree Nuts Allergy

Tree Nuts Allergy

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tree nut
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(Nutty Fit) – Tree nut allergies are common in both children and adults. Tree nut allergic reactions can be severe and potentially fatal. It is advised that those with tree nut allergies have easy access to an epinephrine auto-injector at all times. To prevent an allergic reaction, strict avoidance of tree nuts is required.


Allergy Information

An allergy to a tree nut tends to be lifelong, however, some people do outgrow their allergy to tree nuts by adult hood. Younger siblings of children that are allergic to tree nuts may be at an increased risk for allergy to tree nuts. A person with an allergy to one type of tree nut has a higher chance of being allergic to other types. Therefore, it is advised that you avoid all tree nuts if you are allergic to one tree nut.

You should be aware that in places where tree-nuts are grown, packaged, processed, consumed, or used in cooking can potentially pose a risk of cross-contamination.

An allergic reaction tends to be severe and anaphylaxis may occur, serious, life-threatening condition. Symptoms of an allergic reaction include: abdominal pain, cramps, nausea, vomiting, or diarrhea, difficulty swallowing, itching of the mouth, throat, eyes, skin, nasal congestion or a runny nose, shortness of breath, or anaphylaxis.



Tree-Nut Prone Foods

The Food Allergen Labeling and Consumer Protection Act (FALCOA) requires all packaged food sold in the United States to list specific shellfish ingredients on the label. Thus, you should read the product label carefully before purchasing any food. You should check with the food manufacturer if you are unsure or if  you have any questions.

Furthermore, the term “May Contain” is a goodwill action by food manufacturers to warn consumers of any allergies, but this is not mandatory and is purely voluntary, therefore, you cannot rely on labels telling you if a food is a possible allergy-risk.

You should avoid the following foods:

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  • Almond
  • Artificial nuts
  • Brazil nut
  • Beechnut
  • Butternut
  • Cashew
  • Chestnut
  • Chinquapin nut
  • Coconut
  • Filber/hazelnut
  • Gianduja
  • Ginkgo nut
  • Hickory nut
  • Litchi/lichee/lychee nut
  • Macadamia nut
  • Marzipan/almond paste
  • Nangai nut

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  • Natural nut extract (e.g. almond, walnut, cashew)
  • Nut butters (e.g. cashew butter)
  • Nut meal
  • Nut meat
  • Nut milk (e.g. almond milk)
  • Nut pieces
  • Pecan
  • Pesto
  • Pill nut
  • Pine nut
  • Pistachio
  • Praline
  • Shea nut
  • Walnut




Tree-nuts may further be found in the following:

  • Black walnut hull extract
  • Natural nut extract
  • Nut distillates/alcohol extracts
  • Nut oils
  • Walnut hull extract




Tree nuts may be found in many different foods, such as: cereals, crackers, cookies, candy, chocolates, energy bars, flavored coffee, frozen desserts, marinades, barbecue cause, and some cold cuts; Therefore, you should always read the label before you purchase a food product. If you are unsure of the ingredients in a food product, you should contact the food manufacturer and ask specific-questions about such foods.



Further Reading:

1. Johns Hopkins Medicine: Some Outgrow Allergy To Tree Nuts

2. Nutty Fit – Vitamin Information