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FOOD ALLERGIES

FOOD ALLERGIES. 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. What is an Allergy?. Defined

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FOOD ALLERGIES

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  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 • 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

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