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Doctor insights on: Macadamia Nut Allergy Reactions

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Peanut vs hazelnut allergy--same cause?

Peanut vs hazelnut allergy--same cause?

Nuts are different: Peanuts and hazelnuts are not the same. Peanuts are a legume and hazelnuts are tree nuts. If you are allergic to one, you will not necessarily be allergic to the other, but if you have several food allergies involving nuts, hazelnut and peanut should both be part of your skin test or blood test evaluation ...Read more

Dr. John Chiu
2,656 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


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Looking for nut allergies symptoms, eg, cashew allergy?

Looking for nut allergies symptoms, eg, cashew allergy?

Varies: Allergic reactions varies with individuals.Some can consume cashews, while to others they are toxic.Reactions can be mild or severe. Mild reactions include nausea , vomiting, diarrhea. Skin rash and itching on the skin.The eyes , roof of mouth and throat may itch.Severe reactions include difficulty breathing, swelling to face and throat.The most dangerous is anaphylaxis.This can be fatal ...Read more

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Safe fruits/foods for airborne nut allergies?

Safe fruits/foods for airborne nut allergies?

Nuts cautioned,: It is believed that one is likely allergic to most nuts when a definite allergy to one nut has been documented. However this is not always true since some people may be allergic to just one nut and not the others. You need to consult an allergist to sort this out since a serious reaction to airborne nuts (including peanut which is actually a bean) has rarely been noted outside of workplace. ...Read more

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Are metabollic food reactions allergic reactions?

Are metabollic food reactions allergic reactions?

No: Food allergic reactions are mediated by the ige allergic antibody. Reactions mediated by metabolic factors occur without an ige antibody, so an allergy skin or blood ige test is not helpful. ...Read more

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Real lobster allergy?

Real lobster allergy?

Yes: Lobster is related to shrimp and crab. Each of these is a common cause of life threatening allergy. If you are having symptoms after eating any of these you should be evaluated by a board certified allergist. Do no eat any shellfish until you have been cleared. ...Read more

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Allergic reaction to corned beef?

Allergic reaction to corned beef?

Beef allergy: Are you allergic to beef or is it simply something in the aging process of the corned beef that you reacted to? Your allergist can test you. ...Read more

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Will calamari trigger a shellfish allergy?

Will calamari trigger a shellfish allergy?

Yes: About 10-15% of people who are shellfish allergic (shrimp, lobster, etc) are also clinically sensitive to mollusks (clams, squid(calamari), octopus). Ask your allergist before introducing mollusks to your diet. ...Read more

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Allergic to olive trees?

Allergic to olive trees?

Possible: Olive tree pollen allergy is not common in the us b/c olive trees are not that common. It is more common in mediteranean area. ...Read more

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What causes crab allergies? Shrimp allergy?

What causes crab allergies? Shrimp allergy?

Muscle protein: The allergen in shrimp and crab is probably a common allergen called tropomyosin which is a muscle protein. ...Read more

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Are all anaphylaxis reaction allergy related?

Are all anaphylaxis reaction allergy related?

No answer: The question makes no sense. Try again with a specific question including the details. ...Read more

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Chinese food triggering someone's cashew allergy?

Chinese food triggering someone's cashew allergy?

Possible: Some chinese dishes contain cashews. The other possibility is that there was cashew "contamination" in your dish. ...Read more

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Shellfish / crustacean allergy testing safe? Costly?

Shellfish / crustacean allergy testing safe? Costly?

Consider: There are such tests, such as rast testing (radioallergosorbent testing), cost varries by lab and your insurer (if you have). ...Read more

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2 of my 4 kids allergic soy, wheat, rice, corn, peanut, hazelnut, almond, coconut, tomato, lima bean, garlic, onion, fish, shellfish, cantaloupe! help?

2 of my 4 kids allergic soy, wheat, rice, corn, peanut, hazelnut, almond, coconut, tomato, lima bean, garlic, onion, fish, shellfish, cantaloupe! help?

Board certified MD?: Make sure the doc telling you this is doing skin testing and not blood testing, consider a trip to a board certified allergy immunologist specialist, unlikely all of these positive tests are clinically significant. ...Read more

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Tomato allergy - unique? Typical reactions?

Tomato allergy - unique? Typical reactions?

Unusual: The most common food allergies are egg, milk, wheat, soy, peanuts, tree nuts, fish and shell fish. Tomato allergy is unusual but possible. ...Read more

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Walnut allergy reaction to its oil?

Walnut allergy reaction to its oil?

Tree nut allergy: If you are allergic to walnut, i would recommend avoidance of all tree nuts and their oils which may not be purified. ...Read more

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Would pollen (birch) immunotherapy help resolve OAS? (Apple, hazelnut, peanuts ara h8, etc)

Would pollen (birch) immunotherapy help resolve OAS?  (Apple, hazelnut, peanuts ara h8, etc)

Maybe: Will birch immunotherapy help with oral allergy syndrome? I agree with Dr. Al Hegab that the benefits are not fully understood at this point in time and immunotherapy solely for the purpose of treating OAS is not recommended. However, if you also have allergic rhinitis and/or allergic asthma symptoms, immunotherapy could improve these symptoms, and maybe symptoms of OAS. ...Read more

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Will imitation crab trigger a shellfish allergy?

Will imitation crab trigger a shellfish allergy?

No: Imitation crab meat is made from fillets of Alaska pollock. As long as you don't have a history of fish allergy you shouldn't have a problem. You should be careful however, because some manufacturers that produce these products also manufacture shellfish products in the same facility which could cause cross-contamination. ...Read more

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Do hives from food allergies always mean anaphylactic reaction?

Do hives from food allergies always mean anaphylactic reaction?

Not always: Hives as a symptom along the continuium of allergic reactions. The concern is that the next time they are exposed to this allergen they may react more severely (anaphylaxis). This is definitely something you want to see your child's doctor about. ...Read more

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Dr. Paul Carter
72 doctors shared insights

Nut Allergy (Definition)

Allergic reaction to an edible fruit kernel. Allergic reactions can include difficulty breathing, hives and swelling of face, lips, ...Read more