What is a tree nut allergy?

Tree nut allergy is an abnormal immune reaction to the proteins found in tree nut.

Is tree nut allergy common?

Tree nut allergy is a relatively common food allergy in children and adults. Approximately 0.2% of young children and 0.5% of adults will be allergic to tree nuts.

What are the symptoms of an allergic reaction to tree nuts?

Classic allergic reactions usually include a red, itchy rash called hives that occurs within minutes of ingesting foods containing tree nuts. Hives can progress to or occur as part of a more serious allergic reaction, called anaphylaxis. Anaphylaxis is a life-threatening allergic reaction that may include any of the following symptoms: wheezing or other breathing problems; vomiting, diarrhea or stomach cramps; face, mouth, or throat swelling; or signs of shock, including low blood pressure, dizziness, and passing out.

Do people outgrow tree nut allergy?

In most individuals the allergy to tree nuts is lifelong. It is possible that some individuals may outgrow the allergy, but this is probably rare.

What are the tree nuts?

Examples of tree nuts include almonds, cashews, pecans, pistachios, macadamia, pine nuts, and walnuts.

What things should I avoid?

If you are allergic to tree nuts, you should avoid the following: artificial nuts; beer nuts; ground nuts; mandelonas; mixed nuts; monkey nuts; nutmeat; nut paste; nut pieces; nut butter; nut flour; nut oil

*Many ethnic foods contain nuts as an ingredient. Nuts may be an ingredient or contaminant in baked goods, candy, chili, egg rolls, enchilada sauces, marzipan, mole sauce, and nougat.

Is cross contamination a concern?

Many foods are inadvertently contaminated with tree nuts during their processing or preparation. Baked goods and foods containing peanuts are of special concern as they are often prepared in facilities that also handle tree nuts.

How and when can I reintroduce tree nuts?

You should consult with your physician regarding when and how to reintroduce tree nuts into you or your child’s diet. Your physician may use skin or blood tests to determine if it is safe to reintroduce tree nuts into the diet.

Is my child allergic to all tree nuts?

Many individuals with a tree nut allergy may tolerate some tree nuts and be allergic to others. You should check with your healthcare provider to determine which tree nuts are safe to eat. Coconuts and commonly eaten seeds (sesame, sunflower, and pumpkin) are not nuts and have limited cross-reactivity with trees nuts or peanuts.

Is it safe to breast-feed my child?

Breast-feeding is generally safe in children with nut allergy if the mother avoids foods containing nut products.