food allergies. objectives after this presentation, you will be able to: define the terms food...
TRANSCRIPT
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 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
Allergy Risk Factors
Family history of asthma and allergiesGenetic predisposition to allergic diseaseElevated allergen-specific serum
immunoglobulin level Test for IgE concentrations in blood.
Being younger than 3 years old
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
Common Food Allergy Symptoms
Reaction Time Range from minutes to daysMild to severe symptoms
Skin = itchiness, flushing, hives, swelling, eczemaGastrointestinal = nausea, vomiting, abdominal
pain/cramps, diarrhea, colicRespiratory= runny nose, wheezing, throat
closing/swelling, asthmaCirculatory = dizziness, faintness, heart
irregularities, “sense of impending doom”Anaphylaxis = constricted airways in lungs, very
low blood pressure and shock, suffocation by throat swelling
Food Allergy Treatment
Avoid trigger food/beverageMedications
Antihistamine Bronchodilator Epinephrine
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
Common Food Intolerances
Dairy (lactose)Beans (enzymes)Carbohydrates (enzymes)Gluten (Celiac disease)Cruciferous vegetables (enzymes)
Symptoms of Food Intolerances
Gastrointestinal Nausea Vomiting Abdominal pain/cramps Diarrhea Colic Gas Cramps Bloating Heartburn
Psychological Reactions Headaches Irritability Nervousness
Food Intolerance Treatment
Total avoidance of offending food/beverage
Medications Enzyme digestive aids
QUIZ
Answer the below questions in a complete sentence or write the question and the answer.
1.What is the main difference between a food allergy and an food intolerance?
2.List two symptoms of a food allergy and two symptoms of a food intolerance.
3.The FDA has identified ______ common food allergies.
4.Antihistamine are used to treat food intolerances.True /or/ False
QUIZ KEY
1. 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.
2. List two symptoms of a food allergy and two symptoms of a food intolerance. Answer will vary; consult list in presentation
3. The FDA has identified _8_ common food allergies.4. Antihistamine are used to treat food intolerances.
True /or/ False