1. FOOD ALLERGIES

2. Objectives After this presentation, you will be able to:
Define the terms food allergy and food intolerance
Identify common food allergies and intolerances
Read and interpret food labels in respect to food allergies and food intolerances

3. What is an Allergy? Defined Physiological Response Types
Hypersensitivity/abnormal immune system response to specific environmental substances or conditions.
Physiological Response
Body mistakes substance as harmful; makes antibodies to fight it
Types
Substances
Food Protein // Dust // Pollen // Chemicals
Conditions
Heat

4. Allergy Risk Factors Family history of asthma and allergies
Genetic predisposition to allergic disease
Elevated allergen-specific serum immunoglobulin level
Test for IgE concentrations in blood.
Being younger than 3 years old

5. Common Food Allergies There are many food allergies.
The federal government requires label listing of only 8
Milk
Eggs
Fish
Crustacean shellfish
Tree nuts (walnuts, pecans, almonds)
Peanuts
Wheat
Soybeans

6. Common Food Allergy Symptoms
Reaction Time Range from minutes to days
Mild to severe symptoms
Skin = itchiness, flushing, hives, swelling, eczema
Gastrointestinal = nausea, vomiting, abdominal pain/cramps, diarrhea, colic
Respiratory= runny nose, wheezing, throat closing/swelling, asthma
Circulatory = dizziness, faintness, heart irregularities, “sense of impending doom”
Anaphylaxis = constricted airways in lungs, very low blood pressure and shock, suffocation by throat swelling

7. Food Allergy Treatment
Avoid trigger food/beverage
Medications
Antihistamine
Bronchodilator
Epinephrine

8. What is a Food Intolerance?
Defined
Digestion system response to a substance
Physiological Response
Body unable to properly digest or metabolize a substance
Types
Substances
Food
Chemical
Food dyes
Food additives

9. Common Food Intolerances
Dairy (lactose)
Beans (enzymes)
Carbohydrates (enzymes)
Gluten (Celiac disease)
Cruciferous vegetables (enzymes)

10. Symptoms of Food Intolerances
Gastrointestinal
Nausea
Vomiting
Abdominal pain/cramps
Diarrhea
Colic
Gas
Cramps
Bloating
Heartburn
Psychological Reactions
Headaches
Irritability
Nervousness

11. Food Intolerance Treatment
Total avoidance of offending food/beverage
Medications
Enzyme digestive aids

12. QUIZ
Answer the below questions in a complete sentence or write the question and the answer.
What is the main difference between a food allergy and an food intolerance?
List two symptoms of a food allergy and two symptoms of a food intolerance.
The FDA has identified ______ common food allergies.
Antihistamine are used to treat food intolerances.
True /or/ False

13. QUIZ KEY
What is the main difference between a food allergy and an food intolerance? The main difference is a food allergy involves the immune system and a food intolerance does not involve the immune system.
List two symptoms of a food allergy and two symptoms of a food intolerance. Answer will vary; consult list in presentation
The FDA has identified _8_ common food allergies.
Antihistamine are used to treat food intolerances.
True /or/ False