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Doctor insights on: What Is A Food Allergy

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What is a food allergy?

What is a food allergy?

Reaction to a food.: People can become allergic to many substances including certain foods. Some foods are more likely, such as milk, egg, wheat, soybean, shellfish, peanut, or nuts. Reactions can range from rash and itching to anaphylactic shock. ...Read more

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Dr. Michael Zacharisen
566 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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What is a food allergy?

What is a food allergy?

Immunologic response: A food allergy is a specific immunologic response that your body has to a food that can lead to various symptoms. This is different from a food intolerance, such as excess gas, nausea or diarrhea. ...Read more

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What type of food allergy test is more accurate?

What type of food allergy test is more accurate?

Neither: Skin testing and blood test (serum specific ige) have different sensitivities and specificities. Either or both must be interpretted in light of the clinical picture. Frequently, patients with positive tests are not allergic and an oral challenge under the supervision of a board certified allergist familiar with oral challenges and treatment of anaphylaxis is needed. ...Read more

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What does a food allergy from strawberries look like on legs?

Please see below: Strawberry allergy would usually occur within an hour or two every time you eat strawberry . You can have rash around the mouth or generalized hives, it would be very unusual to have rash on legs only. ...Read more

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Dr. How to test for food allergies? How does allergy testing work in general? And what about non food allergy testing?

Dr. How to test for food allergies? How does allergy testing work in general? And what about non food allergy testing?

Two kinds: Of allergy testing - blood test for antibody levels and skin prick test (a small amount of the substance placed on a sharp tip that is pressed against the skin). The skin test is more likely to correlate with real allergy, however remember w both methods it can only suggest a possible allergy. Would leave interpretation up to ur allergist. ...Read more

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What's the difference between food allergy and food intolerance?

What's the difference between food allergy and food intolerance?

Mechanism: Food allergies are mediated by the ige antibody and it takes only a small amount to lead to a severe even anaphylactic allergic reaction and rarely death. Food intolerance is GI symptoms of bloating, gassy, crampy belly pain and diarrhea after eating usually larger amounts of a food. Intolerances are more common (like lactose intolerance) and are not mediated by ige antibody and not life ending. ...Read more

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What is the best food allergy test?

What is the best food allergy test?

Skin Prick Testing: Food allergies are diagnosed first by getting a detailed clinical history of reaction. If history is concerning then skin prick testing and/or serum IgE testing to concerning foods will be drawn. Skin prick testing usually done first followed by serum testing to follow sensitivity over time. Prick to prick testing with actual food is also helpful to help clarify risk. See Allergist for details. ...Read more

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Help! exactly what is the raw food allergy called?

Help! exactly what is the raw food allergy called?

Depends: The most common symptom would be no symptoms at all. Metastatic melanoma is often picked up on imaging. Symptoms can occur depending on the location of the lesions. Neurological symptoms for brain mets, bleeding or obstruction for GI mets, possible pulmonary symptoms for lung mets. ...Read more

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How do I know exactly what is the raw food allergy called?

How do I know exactly what is the raw food allergy called?

Which one: Its a vague question. Be specific you cannot be allergic to all food raw or cooked. ...Read more

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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


Dr. Heidi Fowler
3,405 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