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Doctor insights on: How Can I Find Information About Allergens In My Food

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How can I find information about allergens in my food?

How can I find information about allergens in my food?

Elimination diet: Try an elimination diet. You'll remove suspected allergens like wheat or dairy for a week, if symptoms improve, try reintroducing them one at a time in 2-3 day intervals. If you react negatively to a food, you may have a sensitivity to that food type. You can also see a provider for "rast" blood testing. ...Read more

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Dr. Heidi Fowler
3,475 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


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What are common food allergens?

What are common food allergens?

Eight foods: Milk eggs peanuts tree nuts such as almonds, cashews, walnuts. Fish (such as bass, cod, flounder) shellfish (such as crab, lobster, shrimp) soy wheat the eight foods included in food allergy labeling account for an estimated 90 percent of allergic reactions. ...Read more

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What are the major food allergens?

What are the major food allergens?

8 foods/ food groups: The major food allergens are milk, egg, wheat, soy, peanut, tree nuts, fish and shellfish. These are responsible for roughly 95% of food allergies. ...Read more

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Are allergens in all foods, or just the ones that cause allergies?

Yes: Allergens are most commonly a protein although other molecules can sometimes be recognized as an allergen. So, yes most foods are allergens. An allergic reaction is caused by your immune system recognizing those unique proteins and causing a reaction. Luckily it is fairly rare, so other foods don't cause a reaction and you can eat them. ...Read more

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I feel fatigued after cutting out food allergens. What do I do?

Insufficient info: What do you mean by cutting out food allergens? Did you do that at the advice of an md? If it was self treatment or the result of an unaccredited advice, you may have nutritional deficiencies. I would recommend seeing your md for evaluation and advice. ...Read more

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Is sorbic acid allergy related to other food allergens?

Is sorbic acid allergy related to other food allergens?

Potassium sorbate: Sorbic acid can cross-react with potassium sorbate. It is a rare cause of contact dermatitis (a rash) or contact urticarial (hives). ...Read more

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After eating a problem food allergen, how long does it take to show up in body symps? And how long does it take to exit system? Thanks Dr!

After eating a problem food allergen, how long does it take to show up in body symps? And how long does it take to exit system? Thanks Dr!

2 hours: Most allergic responses occur within 2 hours although reaction to red meat may not come on until 3-6 hours later. Most allergic responses from food should subside in less than a day. As for how long traces of the food may remain in your body, it would depend on the kind of food. ...Read more

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I have suddenly developed many food allergies (see profile). I've been on a strict organic diet with no allergens and still having problems. Why?

I have suddenly developed many food allergies (see profile). I've been on a strict organic diet with no allergens and still having problems. Why?

Complex pks c ur MD: U r on multiple medications, for different diseases, central nervous system medicines can interact with other meds/foods, or themselves can cause rashes, u need 2 b evaluated by ur allergist and ur neurologist. ...Read more

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I want to go get a blood test for allergies. Will this assess for all types of allergens? Will it tell if I'm allergic to food dyes?

I want to go get a blood test for allergies. Will this assess for all types of allergens? Will it tell if I'm allergic to food dyes?

Uncertain: Every single test needs be interpreted with the history and physical findings in context. Food dye allergy. Other than to red carmine dye, is very rare if non-existent although it was in vogue over 40 years ago. ...Read more

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I've never had food allergies & tested neg for them, but do have eczema & chronic hives. Does this mean i'll react to big allergens like nuts & fish?

I've never had food allergies & tested neg for them, but do have eczema & chronic hives. Does this mean i'll react to big allergens like nuts & fish?

Not necessarily: In fact, your own experience with eating nuts and fish is a much more reliable indicator of whether you're actually allergic than the results of skin testing will be. I think your allergist will tell you the same thing. The best way to determine whether your skin issues are due to allergy is a few weeks' trial of an elimination diet. Ask about it. ...Read more

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With asthma, dust mite & food allergies, need I use 1) latex or organic wool/cotton mattress with or w/o allergen mattress cover & 2) organic bedding?

With asthma, dust mite & food allergies, need I use 1) latex or organic wool/cotton mattress with or w/o allergen mattress cover & 2) organic bedding?

Dust mite barrier: Covering your mattress with an impermeable dust mite barrier and washing sheets in hot water weekly as well as removing extra pillows and thick comforters are the most important steps to avoid dust mite allergy reactions. ...Read more

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I have tiny itchy blisters that are spreading on my chest, back, legs and arms. Very small clear liquid filled. What could it be, no food allergens?

I have tiny itchy blisters that are spreading on my chest, back, legs and arms. Very small clear liquid filled. What could it be, no food allergens?

Shingles: Sounds like the rash that goes along with shingles. The rash is usually more isolated and in a pattern. I would seek care and evaluation asap as this can benefit from early intervention with medications. ...Read more

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Can a food intolerance cause itching? And related, can a food allergy not respond to small amounts of the allergen (fine at <5 g, sick at >30)?

Can a food intolerance cause itching? And related, can a food allergy not respond to small amounts of the allergen (fine at <5 g, sick at >30)?

Yes and yes: Food allergy is not a trivial matter. Food allergy can change from itching one time to fatal anaphylaxis the next. It is important to have allergy testing, have a consultation with an allergist, avoid all foods you are allergic to, have an epipen (epinephrine) and an emergency action plan handy, and carefully examine the contents of everything you eat for contamination with the allergy triggers you have. ...Read more

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Could someone with a food allergy possibly breathe something they are allergic to and have a reaction with hives? My son is allergic to something so we have been avoiding a lot of the most common allergens but is still breaking out in hives.

Could someone with a food allergy possibly breathe something they are allergic to and have a reaction with hives? My son is allergic to something so we have been avoiding a lot of the most common allergens but is still breaking out in hives.

Allergist: Finding the cause of recurrent hives is very elusive and in these cases an allergist is best qualified to do the investigation. The offending agent could be internal or external including temperature change, exercise, etc. While waiting for the allergist's appointment, the pediatrician may prescribe an antihistamine for symptom relief. ...Read more

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Does risk for anaphylaxis vary with type of allergen from immunotherapy? Example: pollen, stings, mites, cat, food, etc..

Does risk for anaphylaxis vary with type of allergen from immunotherapy? Example: pollen, stings, mites, cat, food, etc..

Complex: Risk of anaphylaxis from immunotherapy depends on many factors: identifying the allergens causing the symptoms, severity of symptoms, whether well controlled prior to start of therapy, choosing the right allergens and right concentrations, assessment at each visit prior to administration of therapy, and observation for at least 30 minutes. Very rare in the hands of a competent allergist, good luck ...Read more

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4 yr son. Had respirtory&food allergy blood tests. Results only very low cows milk allergen. Cld it cause stuffy nose&snoring? Adenoids&tonsils remvd 2015

Milk allergy: Generally food allergies are outgrown by the time the child is 2 yrs old if your child is still allegic even if mild you should avoid milk he should be fully tested to see if there are other allergies if not he can have congestion and wheezing ...Read more

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I am breastfeeding a 7 months old baby with lots of food allergies e.g. egg, milk, wheat and corn. How long do these allergens stay in my breast milk?

I am breastfeeding a 7 months old baby with lots of food allergies e.g. egg, milk, wheat and corn. How long do these allergens stay in my breast milk?

Breast milk: Many pediatricians and pediatiric clinics assign the diagnosis of "foor allergies" as a cause of "colic" or poor feeding by an infant. It is possible that no "true allergies" have occurred, and if your infant is thriving (putting on predicted weight) it is unlikely that your breast milk is creating a problem. Ask a pediatric dermatologist for advice if your infant is not growing appropriately. ...Read more

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Are allergy drops or allergy shots available for treatment of food allergy/ or intolerance or are they only 4 treating environmental allergens?

Are allergy drops or allergy shots available for treatment of food allergy/ or intolerance or are they only 4 treating environmental allergens?

Food allergy: Allergy drops and shots are now only administered for environmental allergies. There is ongoing research on treating food allergies with oral immunotherapy. ...Read more

Allergen (Definition)

A substance that can cause an allergic reaction. Common allergens include ragweed pollen, ...Read more