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What is a tree nut allergy?

A tree nut allergy is an abnormal response of the body to the proteins found in tree nuts.

Which foods and ingredients must a tree-nut-allergic person watch out for?

Avoid foods with any of the following ingredients:

  • almonds
  • Brazil nuts
  • cashews
  • chestnuts
  • filberts/hazelnuts
  • gianduja (a creamy mixture of chocolate and chopped toasted nuts found in premium or imported chocolate)
  • hickorynuts
  • macadamia nuts
  • marzipan/almond paste
  • nougat
  • Nu-Nuts (artificial nuts are peanuts that have been deflavored and reflavored with a nut such as pecan or walnut)
  • nut butters (cashew butter, almond butter)
  • nut oil
  • nut paste (almond paste)
  • pecans
  • pine nuts (pignolia, pinion)
  • pistachios
  • walnuts
  • natural extracts, such as pure almond extract. (Imitation or artificially flavored extracts are often safe.)

What else should tree-nut allergy sufferers consider?

  • Ethnic foods, commercially prepared baked goods, and candy can often be cross-contaminated with nuts as nuts are frequently used in these types of foods.
  • Tree nuts are being added to an increasing variety of foods, such as barbecue sauce, cereal, crackers, and ice cream.

Tree Nut Allergies | Programs & Services