diet and health guidelines for food allergies presented by janice hermann, phd, rd/ld oces adult and...
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![Page 1: Diet and Health Guidelines for Food Allergies Presented by Janice Hermann, PhD, RD/LD OCES Adult and Older Adult Nutrition Specialist](https://reader034.vdocuments.net/reader034/viewer/2022051619/56649da95503460f94a95db6/html5/thumbnails/1.jpg)
Diet and Health Guidelines for Food Allergies
Presented by Janice Hermann, PhD, RD/LD
OCES Adult and Older Adult Nutrition Specialist
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Who Has Food Allergies3-5% of young children are diagnosed with a
food allergyMost childhood food allergies appear early in life
and are usually outgrown 1-2% of the adult population have a food
allergy
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Who Has Food AllergiesAlthough anyone can develop a food allergy,
the ability to become allergic tends to be inherited
Many people who have food allergies also have asthma, or show sensitivities to inhaled allergens such as dust, pollen and animal dander
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What Is A Food AllergyA food allergy is an adverse reaction to a food
or food component that involves the immune system
A food allergen is the part of a food to which a person is allergicOften an incompletely digested protein
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What Happens With A Food AllergyWhen someone eats a food they are allergic
to, the food allergen stimulates the immune system to release antibodies
The antibodies cause body cells to release other substances, which cause allergic reactions
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Food Allergy SymptomsAllergic reactions can be immediate or
delayedAllergic reactions to foods usually occur
within minutes to 24 hours after eating an offending food
In very sensitive people, even touching or inhaling the offending food may produce an allergic reaction
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Food Allergy SymptomsFood allergy reactions vary from person to
person, as well as within the same personThe same food can produce totally different
symptoms in different people, as well as varying symptoms within the same person
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Food Allergy SymptomsFood allergy symptoms usually fall into three
areas:Skin ReactionsNose, Throat and Lung ReactionsStomach and Intestinal Reactions
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Skin ReactionsTypes of reactions
Swelling of lips, mouth, tongue, face or throatHivesRashesItchingSkin redness
With oral allergy syndromeHives, swelling and itching confined to the mouth
and throat and usually result after consumption of raw fruits and vegetables
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Nose, Throat and Lung ReactionsTypes of reactions
SneezingNasal congestionRunny noseChronic coughShortness of breath or other breathing difficulties
such as asthma
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Stomach and Intestinal ReactionsTypes of reactions
NauseaAbdominal pain and bloatingVomitingDiarrheaCrampingGas
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Severe Allergy ReactionsMost food allergic reactions are mild, but a
small number of food-allergic individuals have severe reactions that can be life-threatening
Anaphylaxis is rare, but can be a possibly fatal food allergy reaction
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AnaphylaxisDifferent parts of the body may experience
food allergy reactions at the same timeReactions can progress rapidly and may
include:Itching Breathing difficulties Hives Lowered blood
pressureSweating UnconsciousnessThroat swelling Even death
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Have A PlanPeople who have severe allergic reactions
need to recognize early symptoms and have a plan for handling emergency situations
May carry epinephrine for self-injection and warning medical alter bracelets or necklaces in case they become unconscious
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Importance of DiagnosisProperly diagnosing food allergies is
importantProper diagnosis can help avoid unnecessary
dietary restrictions Parents may limit their children’s food intakes
unnecessarily unless properly diagnosedProper diagnosis can also help avoid accidental
exposure to allergens
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Proper DiagnosisDiagnosis requires a thorough medical
history, physical examination, and laboratory tests
Having symptoms is not a diagnosis Symptoms exactly like those of an allergy many
not be caused by one
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Proper DiagnosisMethods for diagnosis
Skin-prick testAntibody blood testingOral Food ChallengesElimination Diets
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RAST or ELISARadioallergosorbent test (RAST) or enzyme-
linked immunosorbent assay (ELISA) are reliable skin-prick testing and antibody blood testing for diagnosing allergies
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Proper DiagnosisFood changes and elimination tests should be
conducted only under medical supervision
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Unreliable MethodsTwo unreliable methods for diagnosing food
allergies are cytotoxic testing and symptom provocation testing, where a dose of the food extract is placed under the tongue or injected
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Most Common Food AllergiesFood allergies can occur to almost any food,
but most allergic reactions are caused by a limited number of foods
milk shellfisheggs soywheat peanutsfish tree nuts like walnuts
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Living With A Food AllergyThe only proven treatment for a food allergy
is to avoid the offending foodAn elimination diet must be carefully
developed and be personalized to take into account the ability of an individual to tolerate an allergic food
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Living With A Food AllergyUsing an elimination diet for 1-2 years may
promote outgrowing a food allergySome food allergies, particularly to peanuts,
nuts, fish and shellfish can last a lifetime
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Living With A Food AllergyNo drugs are available to treat food allergiesAllergy shots, which are useful in
desensitizing some people to pollen and other environmental allergens, are not recommended to treat food allergies and may be dangerous
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Living With A Food AllergyPeople with food allergies need to learn
about food composition and how to read labelsMany foods may contain the allergenMany terms used to describe food components
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Milk AllergyMilk and milk products are a common
ingredient in many foods so food labels need to be checked carefully
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Milk AllergyFoods containing milk or milk products
MilkAcidophilus, buttermilk, chocolate milk, evaporated milk,
condensed milk, sweetened condensed milk, malted milk,*Goat’s milk protein similar to cow’s milk protein, may cause
similar symptoms, not a recommended substitute CheeseIce creamSherbetYogurtCustardPuddingEggnog
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Milk AllergyFoods containing milk or milk products
Cream, half & half cream, light cream, whipping cream
Sour cream, sour cream solids, sour cream dressing Butter, butter oil, butter fat, artificial butter flavorNougatMellorineCurdsSemi-sweet chocolate, milk chocolateCaramel, creamed, carob candies
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Milk AllergyTerms for milk products
CaseinRennet caseinAmonium caseinateCalcium caseinateMagnesium caseinatePotassium caseinateSodium caseinateCasein hydrolysateMilk protein hydrolysatesProtein hydrolysate
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Milk AllergyTerms for milk products
LactoseLactabluminLactalbumin phosphateLactoglobulinLactuloseMilk proteinWheyWhey protein concentrateWhey protein hydrolysateSweet wheyDelactosed whey
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Milk AllergyIngredients potentially containing milk or
milk products Caramel flavoringBavarian cream flavoringCoconut cream flavoringBrown sugar flavoringButter flavoringNatural flavoringSimplesse®
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Egg AllergyEggs and egg proteins are common
ingredient in many foods so food labels need to be checked carefully
Because flu vaccines are prepared using egg embryos, people with egg allergies need to check with their physicians before being vaccinated
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Egg AllergyEggs or foods containing egg products
Eggs, egg white, egg yolkDried eggs, frozen eggs, powdered eggs, egg solidsEgg substitutesImitation egg productBéarnaise sauceHollandaise sauceEggnogMayonnaiseMeringueSimplesse®
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Egg AllergyTerms for egg or egg products
AlbuminApovitellinAvidinEgg lecithinFlavoproteinGlobulinLivetinLysozymeOvalbumin, conalbuminOvomucin
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Wheat AllergyWheat is a common ingredient in many foods
so food labels need to be checked carefully
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Wheat AllergyWheat or wheat products
Atta wheat flourBal aharBread flourBulgurCake flourCereal extractCourscousCracked wheatDurumDurum flour
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Wheat AllergyWheat or wheat products
Enriched flourFarinaHigh protein flourKamut flourLaubinaLeche alimMalted cerealsMinchinMulti grain breadsMulti grain flours
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Wheat AllergyWheat or wheat products
Puffed wheatRed wheat flakesRolled wheatSemolinaShredded wheatSoft wheat flourSpeltSuperArmineTriticaleVital gluten
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Wheat AllergyWheat or wheat products
Vitalia macaroniWheat protein powderWheat branWheat germWheat glutenWheat mealWheat pastaWheat proteinWheat starchWheat tempeh
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Wheat AllergyWheat or wheat products
White flourWhole wheat berriesWhole wheat flourWinter wheat flour
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Wheat AllergyIngredients potentially made from wheat
Hydrolyzed vegetable proteinVegetable starchStarchGelatinized starchModified starchModified food starchVegetable gum
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Peanut AllergySome people with peanut allergies have
severe reactions, including anaphylaxis, to the smallest quantities of peanuts
Although peanut allergy is not ordinarily associated with other nut allergies, people may be advised to avoid all nuts due to potential cross-contamination
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Peanut AllergyPeanuts, peanut products, foods containing
peanutsBeer nutsEggrollsGround nutsHigh protein foodHydrolyzed plant proteinHydrolyzed vegetable proteinMarzipanMixed nutsNougat
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Peanut AllergyPeanuts or peanut products
Peanuts Peanut flourPeanut soupPeanut butterPeanut oilPeanut flakes
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Peanut AllergyProducts that may contain peanuts
Pie crustsCheese cake crustsChocolate candyIce creamBaked goodsSaucesChiliCandy