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Doctor insights on: Symptoms Of Allergic Reactions To Food

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Do allergic reactions to food last more than one day?

Do allergic reactions to food last more than one day?

Delayed-type allergy: Allergic reactions caused by allergic antibody (ige) have an early phase (caused by pre-formed chemical granule release, such as histamine, from white blood cells and typically lasting less than 4 hours. This is often followed by a delayed-reaction caused by the continued secretion of inflammatory chemicals from the blood cells. Delayed reactions can continue for days. ...Read more

Dr. Heidi Fowler
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Could combinations of foods cause different allergic reactions?

Could combinations of foods cause different allergic reactions?

Possible: Anything about food allergy is likely possible but I must admit that there has been no study ,to my knowledge, addressing this issue. Theoretically one can postulate the such allergic combination can occur. Do note however that cooking in general reduces the allergenicity of a food and perhaps that's the reason why we have not observed this type of problem ...Read more

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I keep getting allergic reactions from different food types,what is wrong with my body? It just randomly swells up

I keep getting allergic reactions from different food types,what is wrong with my body? It just randomly swells up

Hives/Angioedema: As an allergist I've seen several patients with these symptoms lately. Collectively these symptoms are considered part of angioedema if it's swelling of the head/neck area alone, or hives it it's an itchy welt-like rash that can appear anywhere on the body. Food allergies are a rare cause. See an allergist for autoimmune testing, environmental testing and treatment. Hope this helps! ...Read more

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Can one have different kinds and intensities of allergic reactions to different foods?

Yes: Definitely since one disease condition usually does not preclude you from getting another one. Certain foods are more dangerous than others in term of allergy. Peanut tops the list followed by tree nuts and shellfish. Some fruit allergies may just cause a transient itching in the mouth, other food allergies may cause anaphylaxis. However allergy to multiple foods is not too common but not rare ...Read more

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Could allergic reactions be caused by something that is not food?

Could allergic reactions be caused by something that is not food?

Yes: Allergic reactions can be triggered by environmental allergens (pollen, dander, dust, mold, feather), latex, insects, medications (especially Aspirin and antibiotics), exercise, cold, heat, etc. The list goes on and on. An allergist is specifically trained to diagnose and treat all types of allergic reactions. ...Read more

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What are some foods that frequently cause allergic reactions?

What are some foods that frequently cause allergic reactions?

Vary with age: In children: milk, egg, soy, and peanut are most common. In adults: peanut, tree nuts, shellfish are most common. However, almost any food in any one person can be an allergen. ...Read more

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Should I avoid feeding my child foods that often cause allergic reactions?

Should I avoid feeding my child foods that often cause allergic reactions?

No: I would not advise avoiding particular foods, because the vast majority of people tolerate all such foods including peanut, milk, egg, soy, wheat, and fish. I would introduce these foods at an age appropriate time as advised by your pediatrician. Delaying introduction will not lessen the chance of developing allergy. I would, of course, still delay solids until at least 4 months of age. ...Read more

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Any ideas on why i'm having allergic reactions to certain foods only on my skin?

Any ideas on why i'm having allergic reactions to certain foods only on my skin?

Food allergy & skin: The most common relationship between food allergy and the skin are hives (marked by raised red bumps that are red and itchy that occur quickly and resolve quickly) and eczema (pinpoint red dots on a red background often with associated dry skin). The skin and the gastrointestinal tract share immune mediated responses to foods, which is why certain food allergies can manifest on the skin. ...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