Please work with your healthcare provider to understand availability. *These products may not be approved for clinical use in your country. 9 Common pollen allergies that could cause OAS when eating pistachios include tree (e.g., birch), grass, and weed. 7 It is quite common, as one study suggests that up to 25 percent of children with allergic rhinitis (aka hay fever) also suffer from PFAS. This condition is caused by your immune system’s reaction to similar proteins, or components, found in foods and pollens. If you experience an itchy mouth or ears, scratchy throat, hives on the mouth, or swelling of the lips, mouth, tongue, or throat after eating pistachios or other related fresh fruits, raw vegetables, or tree nuts, you may suffer from pollen food allergy syndrome (PFAS) also called oral allergy syndrome (OAS). Pistachios and cashews share similar allergenic proteins, so those who react to pistachios may also react to cashews and vice versa. The most common cross reactivities with pistachios are plant foods, e.g., tree nuts, fruits, soybeans, vegetables, and legumes. This is called cross reactivity and occurs when your body's immune system identifies the proteins, or components, in different substances as being structurally similar or biologically related, thus triggering a response. Some people with a pistachio nut allergy may also experience symptoms when eating other seemingly unrelated foods. Nonfood items that may contain tree nuts include: 4 bean bags, bird seeds, cosmetics, hair care products, sunscreens, massage oils, and pet foods.Īre there other allergens I could be sensitized to? * 6 Asian restaurants can be especially problematic because they often use nuts and seeds in their cuisine, and since pans may be used for multiple meal preparations, there’s an inherent risk for cross contamination. The following items may contain tree nuts and seeds: 4 baked goods, baking mixes, barbeque and pesto sauces, cereals, chocolates, pralines, crackers, dressings, gravies, flavored coffees, frozen desserts, muesli, nougats, almond chicken, pad thai, chili and trout amandines and giandujas (i.e., chocolate blended with hazel nuts), marzipans (i.e., almond paste), almond milks, nut milks, tree nut oils, spreads (e.g., cheese spreads and chocolate nut spreads such as Nutella, which contains hazelnuts), vegetarian dishes, Indian curries, Asian dishes, pastas, liqueurs (e.g., amaretto and Frangelico), natural flavorings and extracts (e.g., pure almond extract), salads, trail mixes, and snack foods.Īlso note that the words “natural flavors” and “botanicals” may indicate the presences of nuts or nut flavorings. In addition, pistachios have also been used to add yellowish green coloring to confections. Pistachio nuts are eaten fresh or roasted and are commonly incorporated into items such as baklava, halvah, ice cream, and a variety of other deserts. 1 That said, in areas where pistachios are cultivated, the prevalence of pistachio allergy is twice as high as areas where cultivation isn’t carried out. Of those with tree nut allergies in the United States, for example, only an estimated 7 percent are allergic to pistachios.

4 However, pistachio allergy is somewhat less common. High in protein, fat, dietary fiber, and vitamin B6, pistachios are eaten fresh or roasted and are commonly incorporated into items such as baklava, halvah, ice cream, and a variety of other deserts. 1 Derived from small trees believed to be indigenous to Iran, pistachios are actually a type of seed.

The following nine varieties account for the majority of tree nut allergies: walnuts, almonds, pistachios, cashews, pecans, hazelnuts, macadamias, Brazil nuts, and pine nuts. And unfortunately, compared to other food allergies, the chances of outgrowing these allergies are lower and restricted to an estimated 10 percent of sensitized individuals. Prevalence for tree nut allergy varies by age, region, and the definitions used for diagnosis, but it appears to affect. 2 In fact, together, peanuts and tree nuts account for 70 to 90 percent of reported food-related anaphylactic fatalities. And while peanuts are actually legumes, approximately 20 to 30 percent of those with a peanut allergy are also allergic to one or more types of tree nuts.

1 Roughly 30 percent of people with a tree nut allergy are allergic to more than one nut. These types of allergies typically develop by the age of two, and the number of tree nuts to which a person is allergic may increase with age. Allergies to tree nuts such as pistachios are common and often severe.

Cashew nut allergy rash