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Doctor insights on: Food Allergy And Anaphylaxis

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Can all food allergies with anaphylaxis have a symptom of drooling or is it specific to one food allergy?

Can all food allergies with anaphylaxis have a symptom of drooling or is it specific to one food allergy?

No: It can occur with any severe food allergy reaction and indicate trouble swallowing due to swelling of the throat. Anaphylaxis is serious and life threatening and requires emergency treatment. Patients should not delay using an Epinephrine auto injector and calling 911. ...Read more

Dr. Michael Zacharisen
569 doctors shared insights

Food Allergy (Definition)

Allergies usually mean there is a response like diarrhea, vomiting, hives, or anaphylaxis when that food is eaten. Other allergies can be more subtle and lead to chronic congestion, headaches, eczema, rashes, constipation, etc. Best answer- if concerned about a particular food eliminate it from your diet and see how you respond. You can ...Read more


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Does a prolonged elimination diet (eg AIP) cause food allergies or anaphylaxis to foods that you eliminated?

Does a prolonged elimination diet (eg AIP) cause food allergies or anaphylaxis to foods that you eliminated?

Not usually: If you eliminated a food you are allergic to even for a long time, the reaction is unpredictable on reintroduction but it is unlikely that this action alone eliminates the food allergy. However some food allergies do tend to fade away (milk, egg etc0 with time-whether this is from having avoided it for a long time or not is unclear. ...Read more

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Whats more common mild food allergies or anaphylaxis reaction to foods?! never had allergies to food and blood test was neg but doc says specialist?!

Whats more common mild food allergies or anaphylaxis reaction to foods?! never had allergies to food and blood test was neg but doc says specialist?!

Mouth tingling?: To have a food allergy you have to have a reaction (hives, wheeze, swelling...) and an elevated blood test. Are you experiencing mouth/throat symptoms with certain foods? Oral allergy syndrome is when you have a cross reaction to a protein from seasonal allergen that the body confuses for a food. Common triggers are apples and peaches. Best to avoid these foods or boil them to prevent symptoms. ...Read more

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What is a good first food to start my 6-month-old on? He's exclusively breastfed so far. Strong family history of severe food allergies (anaphylaxis).

What is a good first food to start my 6-month-old on? He's exclusively breastfed so far. Strong family history of severe food allergies (anaphylaxis).

Slow introduction: There are many recommendations regarding first foods. Rice cereal ( major brand ) mixed with breastmilk, and then introduction of one type of baby food every 3-4 days will allow you to closely observe for any possible reactions. Reactions to watch for at this age include very subtle changes in behavior, feeding, rash and breathing difficulty. If any of these occur, an ED visit is recommended. ...Read more

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My blood test for common food allergies came back negative. Does this mean I do not have any food allergies and wont have anaphylaxis? Explain please

My blood test for common food allergies came back negative. Does this mean I do not have any food allergies and wont have anaphylaxis? Explain please

No guarantees: Not every food group was likely tested, nor is every food sensitivity detected by blood-work. Sorry, but food allergies are still an imperfect science. ...Read more

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Why is anaphylaxis a severe fear to people who had never experienced it from food and a common food allergy test was neg?!

Why is anaphylaxis a severe fear to people who had never experienced it from food and a common food allergy test was neg?!

Phobia: One can develop a phobia to anything -- and you've said in previous questions ; comments that this is the case with you. Phobias can range in intensity. The underlying (unconscious) process of "how" or "why" your mind creates a particular phobia depends on many things: your anxiety level, environmental influences, etc. Help is available with a good psychologist who can work with you. Best wishes. ...Read more

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29yo. Never had food allergy but recent skin test had some allergies. Done for Chronic hives. What r the chances of going into anaphylaxis now?

29yo. Never had food allergy but recent skin test had some allergies. Done for Chronic hives. What r the chances of going into anaphylaxis now?

Food allergy tests: If you never had anaphylaxis and you have been eating the positive foods regularly, the risk is low. You should not stop eating the foods. If it's a food you never eat, it could be higher. The size of the positive reaction also matters. Over 9 mm, there is more chance, but it's still highly unlikely if you have never had a severe reaction before. Try elimination diet for the hives though. May help ...Read more

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If you have anaphylaxis do you have hives all over your body? Also how quickly does anaphylaxis happen from a food allergy? What if it is delayed?

If you have anaphylaxis do you have hives all over your body? Also how quickly does anaphylaxis happen from a food allergy? What if it is delayed?

Anaphylaxis: You can still have it without hives allover,although generalized hives can be part of anaphylaxis but not necessary,anaphylaxis means acclerated allergic reaction affecting vital system and other body organs,the skin is one of them.Allergic food reactions most of the time are within minutes,rarely hours,beyond that reactions aren't of the anaphylaxis magnitude.Avoid triggers,keep epinephrine handy ...Read more

Dr. John Chiu
2,491 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


Dr. Heidi Fowler
3,408 doctors shared insights

Nutrition (Definition)

Nutrition is the synergistic combination of nutrients found in food and water that allows the human body to perform all essential ...Read more