Allergies and intolerances Flashcards
What is food allergy
an adverse health effect arising from a specific immune response when exposed to certain food
The CDC reports that the prevalence of food allergy in children increased by ___% between 1997 and 2011
30
What is the etiology of adverse food reactions
genetics, epigenetic, immunocompetence, age, early life factors
IgE mediated reactions
rapid onset <1 hour, food induced anaphylaxis
non IgE mediated
delayed or chronic >24 hours
The big 8
Milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, soya
Acute, systemic food induced anaphylaxis
rapid onset affecting multiple organ systems
symptoms associated with acute systemic food induced anaphylaxis
respiratory distress, abdominal pain, n/v, cyanosis, arrhythmia, hypotension, angioedema, urticaria, diarrhea, shock, cardiac arrest, death
Food dependent, exercised induced anaphylaxis
IgE mediated but is only triggered when the individual exercise within 2-4 hours of eating
Pollen food allergy syndrome
common in people with pollen allergies
- raw fruits or vegetables
-confined to the oral cavity
Latex fruit or latex food syndrome
IgE mediated, mostly with fruits
eosinophilic gastrointestinal disease
None IgE mediated allergy
Eosinophilic esophagitis
early satiety, reflux, vomiting, dysphagia, refusal to eat
- start on elimination diet
eosinophilic gastroenteritis
recurring abdominal pain, nausea, vomiting
what test is used for eosinophilic gastrointestinal disease
tissue biopsy
