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Flashcards in Allergies Deck (66)
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1

What types of reactions are allergic reactions?

IgE mediated
Non-IgE mediated

2

IgE Mediated Reactions

Rapid in onset
Skin
GI Tract
Respiratory tract
Anaphylaxis

3

What are the top 8 sources of IgE mediated responses?

Cow's milk
Eggs
Soybeans
Wheat
Peanuts
Tree nuts
Fish
Shellfish

4

Which of the top 8 sources of IgE mediated responses resolve by age 5?

Cow's milk
Eggs
Soybeans
Wheat

5

Which of the top 8 sources of IgE mediated responses are lifelong?

Peanuts
Tree nuts
Fish
Shellfish

6

Non-IgE Mediated Reactions

Hours to days after exposure
Presents in infants
Present as chronic skin conditions or GI symptoms

7

Common GI Symptoms for Non-IgE Mediated Reactions

Proctitis/Proctocolitis
Enteropathy
Enterocolitis

8

Cutaneous Symptoms of Food Induced Allergic Reactions

Erythema
Pruritus
Urticaria
Angioedema

9

Ocular Symptoms of Food Induced Allergic Reactions

Pruritis
Conjunctival erythema
Tearing
Periorbital edema

10

Upper Respiratory Symptoms of Food Induced Allergic Reactions

Nasal congestion
Pruritis
Rhinorrhea
Sneezing
Laryngeal edema
Hoarseness
Dry cough

11

Lower Respiratory Symptoms of Food Induced Allergic Reactions

Cough
Chest tightness
Dyspnea
Wheezing
Intercostal retractions

12

GI Oral Symptoms of Food Induced Allergic Reactions

Angioedema of the lips
Tongue or palate
Oral pruritis
Tongue swelling

13

Lower GI Symptoms of Food Induced Allergic Reactions

Nausea
Colicky abdominal pain
Reflux
Vomiting
Diarrhea

14

CV Symptoms of Food Induced Allergic Reactions

Tachycardia
Hypotension
Dizziness
Fainting
LOC

15

Diagnostic Tests for Food Induced Allergic Reactions

Skin prick test (SPT)
Allergen specific serum IgE
Oral food challenge

16

Treatment of Food Induced Allergic Reactions

Avoidance
Eli-Pen for anaphylacis

17

Is/are atopic dermatitis, chronic nasal congestion, or acute urticaria associated with food allergies?

Atopic dermatitis
Acute urticaria

18

What happens to atopic dermatitis after the elimination of the allergen?

Often improves

19

When do you want to consider evaluation of atopic dermatitis in infants & children?

When there is moderate to severe atopic dermatitis
History of exacerbation with eating specific foods

20

Causes of Acute Urticaria

Infection
Drug reaction
Food allergy

21

Is acute or chronic urticaria present with a food allergy?

Acute

22

Nasopharyngeal Symptoms with Food Allergies

Acute rhinitis
Pruritis of the throat
Angioedema

23

What must be continued in order to do skin prick testing?

Antihistamines

24

Which serum specific IgE tests need to be correlated with the patient's clinical history?

Positive tests
Negative tests

25

What is the gold standard for a diagnosis of food allergies?

Oral food challenge

26

How does the oral food challenge work?

Patient given gradually increasing amounts of the suspected food allergen over a time period of hours to a day
Close medical supervision

27

What are atopy patch tests used for?

Diagnose delayed hypersensitivity T-cell mediated reactions such as contact dermatitis

28

Diagnostics of Food Allergies

Clinical history
Oral challenge
Skin tests
Serum specific IgE

29

Established Cutoff Values for Serum Specific IgE for Eggs

3-17 years: 7 kU/L

30

Established Cutoff Values for Serum Specific IgE for Cow's Milk

3-17 years: 15 kU/L