What is the definition of nut allergy
Food that always or almost always contains tree nuts include:
- marzipan (almond paste)
- gianduja (a creamy mixture of chocolate and chopped almonds and hazelnuts; other nuts can be used)
- Nutella (made from hazelnuts)
- pesto (unless specially prepared without pine nuts)
- nut liqueurs (Frangelico, Amaretto, and Nocello)
- turrón (a candy typically made with almonds)
- nut flours (almond flour is the most common)
Foods that may contain tree nuts include:
- nut meal
- trail mix
- baked goods
- caponata (a dish made from eggplant that often includes pine nuts)
- energy bars
- mortadella (lunchmeat)
- ice cream
- candy bars
- flavored coffee
- barbecue sauces
- frozen desserts
- granola bars
- natural extracts: almond and wintergreen (filbert/hazelnut allergy)
As with numerous common allergens, tree nuts are sometimes found in unlikely foods, so be certain to read labels on every packaged foods before buying or eating them.
Is Coconut a Tree Nut?
In fact, coconut allergy is uncommon, and studies own shown that people with tree nut allergy are at no greater risk of being allergic to coconuts.
Numerous tree nut allergic individuals can tolerate coconut in milk and yogurt form. Talk to your allergist about including coconut if it is not currently part of your diet.
Allergy to Both Tree Nuts and Peanuts
Peanuts are legumes and are biologically unrelated to tree nuts. Tree nut allergy and peanut allergy are two diverse types of allergies. Still, while people allergic to tree nuts are not necessarily allergic to peanuts, it's also possible be allergic to both.
You should be aware that tree nuts and peanuts are often found together in processed foods and nut mixtures.
If you are diagnosed with a tree nut allergy, your allergist will advise you whether to avoid peanuts, as well.
Types of Tree Nuts
The most common tree nuts include macadamia nuts, brazil nuts, cashews, almonds, walnuts, pecans, pistachios, chestnuts, hazelnuts (filberts), and pine nuts (pignoli or pinon). Less common tree nuts include beechnuts, butternuts, chinquapins, gingko, hickory nuts, lychee nuts, pili nuts, and shea nuts.
Children who are allergic to multiple types of tree nuts (more than one or two) are less likely to outgrow their allergy than children who are allergic to just one type of tree nut.
Tree Nuts and Food Labeling Laws
Tree nuts are one of the most common food allergies, and as such, the U.S.
Food and Drug istration requires manufacturers selling foods in America to label foods containing tree nuts. The Food Allergy Labeling and Consumer Protection Act (FALCPA) requires that manufacturers label which tree nut is in a given product.
Symptoms Associated With Tree Nut Allergy
Symptoms associated with a tree nut allergy include:
- oral allergy syndrome
- itching of the mouth, ears, and eyes
- urticaria (hives)
- contact dermatitis
- tingling of the lips
- throat tightening
- abdominal pain
- asthma (in asthmatics)
People with tree nut allergy should carry a source of epinephrine at every times in case they own a dangerous allergic reaction.
Allergies to More than One Nut
People can be allergic to one type of tree nut, to some tree nuts, or to numerous tree nuts but not to other types of tree nuts.
That's because some tree nuts contain similar proteins—for example, almonds and hazelnuts contain similar proteins, as do walnuts and pecans, and pistachios and cashews. Because of these protein similarities, it is common for an individual to own an allergy to both nuts.
For instance, if you are allergic to cashew, you own a greater risk of being allergic to pistachios, as well.
However, most people with tree nut allergy are not allergic to every tree nuts. The decision to avoid every tree nuts when there is an allergy to one or more tree nuts is a personal one and one you should discuss with your doctor. In food production, the risk of cross-contact with multiple tree nuts is higher, which has led numerous health professionals to recommend avoidance of every tree nuts.
How to Avoid Cross-Contact with Tree Nut and Other Food Allergies