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Doctor insights on: Tree Nuts Allergy

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Dr. Alyson Simpson
20 doctors shared insights

Tree Nuts Allergy (Overview)

Tree nut allergy is an immune mediated allergic reaction that occurs after consumption of tree nuts- the list includes many nuts such as walnuts, pecans, cashews, almonds, brazil nut, pistachios. Patients usually present with hives, itching, swelling, cough, wheeze, chest tightness, abdominal pain, nausea, vomiting, and diarrhea.


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What is the definition or description of: tree nuts allergy?

What is the definition or description of: tree nuts allergy?

Tree nut allergy: Tree nut allergy is an immune mediated allergic reaction that occurs after consumption of tree nuts- the list includes many nuts such as walnuts, pecans, cashews, almonds, brazil nut, pistachios. Patients usually present with hives, itching, swelling, cough, wheeze, chest tightness, abdominal pain, nausea, vomiting, and diarrhea. ...Read more

Dr. Alyson Simpson
20 doctors shared insights

Tree Nuts Allergy (Overview)

Tree nut allergy is an immune mediated allergic reaction that occurs after consumption of tree nuts- the list includes many nuts such as walnuts, pecans, cashews, almonds, brazil nut, pistachios. Patients usually present with hives, itching, swelling, cough, wheeze, chest tightness, abdominal pain, nausea, vomiting, and diarrhea.


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What nut allergy tests are there for tree nuts? What are the non-tree nuts?

What nut allergy tests are there for tree nuts?  What are the non-tree nuts?

Tree Nuts: Tree nuts refers to all nuts that grow on trees, such as walnut, pecan, brazil nut, cashew, etc. All of these and a few others are available as allergy tests. Peanut and soynut are not true nuts; they are legumes that are roasted to be crunchy. They have some of the same allergens as tree nuts, however. Some people are allergic to tree nuts and peanut. If allergic to one tree nut, avoid all. ...Read more

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Tree nut allergy sufferers: do you know what nuts specifically count as tree nuts?

Tree nut allergy sufferers: do you know what nuts specifically count as tree nuts?

Off top: Tree nuts include but are not limited to: almonds, brazil nuts, cashews, chestnuts, coconuts, hazelnuts, macadamia nuts, pecans, pine nuts, pistachios, and walnuts. ...Read more

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Have hives - suspect pecan allergy. Now stopped all tree nuts. If it is tree nut allergy, how long might hives continue to appear?

Have hives - suspect pecan allergy.  Now stopped all tree nuts.  If it is tree nut allergy,  how long  might hives continue to appear?

Days to weeks: You have done a great job of hopefully identifying the cause--nuts. Now, you need to wait days to weeks to allow your body's histamines to get back to normal. One way to speed this process up and prevent more release of histamines, and thus, more hives, is to take a daily antihistamine such as zyrtec (cetirizine) 10mg every day until you are hive-free. If still having issues, in 3-4 weeks, see a dermatologist. ...Read more

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For someone with a tree nut allergy would pine nuts cause a reaction?

Very possibly: Pine nuts are a type of tree nut and contain many of the same proteins as other tree nuts. It is very likely that you could have a problem with pine nuts if you have allergy to other tree nuts. ...Read more

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Can you tell me about an anaphylactic allergy to tree nuts when i was 12.. For the less common food allergies I have it obviously isn as well but nuts!?

Can you tell me about an anaphylactic allergy to tree nuts when i was 12.. For the less common food allergies I have it obviously isn as well but nuts!?

Unclear question: Tree nut allergy usually does not remit. You may be allergic to some, but not all tree nuts. The most common food allergies are to nuts, peanut (a legume), shellfish (related to insects), fish, egg white, cow's milk, soy and wheat. Unless you have symptoms with foods other than tree nuts, you may be allergic only to them. If you suspect others, make a food diary and go to an allergist/immunologist. ...Read more

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Have tree nut allergy so what are some nuts that do not grow on trees?

Peanut/ soy nut: Peanuts and soy nuts are actually legumes. However, a word of caution, many people that are allergic to tree nut also have problems with peanut or soy. Be sure that you had negative tests for peanut and soy before proceeding. ...Read more

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Need help for mom of boy newly diagnosed with allergies. Where do you find recipes without tree nuts, soy, wheat, corn, rice, tomato for family of 6?

Need help for mom of boy newly diagnosed with allergies. Where do you find recipes without tree nuts, soy, wheat, corn, rice, tomato for family of 6?

Support online: Yes, it can be difficult to figure out how to navigate a restricted diet. The food allergy and anaphylaxis network (now fare) and the kids with food allergies.Org can help with recipes and label reading tips. I would also go to the whole foods (or trader joes) and talk to the manager about a tour and brand options for your specific needs. Also try ian's foods online. ...Read more

Dr. Paul Carter
69 doctors shared insights

Nut Allergy (Definition)

Nut allergy is a condition where the immune system reacts to exposure to nuts, often with difficulty breathing, swelling, hives, nausea, vomiting, and diarrhea. Typically one is allergic to all forms of tree nuts, including Brazil nuts, cashews, chestnuts, hazelnuts, macadamia nuts, pecans, pine nuts, pistachios, and walnuts, but not to ...Read more


Dr. John Chiu
2,479 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more