Food Allergies Ch. 27 Flashcards
Between 1990 and 2007 how nuch have food allergies increased?
18%
Eight most common food allergens in the US
- peanuts
- cows milk
- shellfich
- tree nuts
- egg
- fish
- wheat
- soy
Most food allergies are mediated by
IgE
What inflammatory mediators are involved in food allergies
histamines and leukitrienes
Most food allergies tend to resolve by
1 yr old (p. 302)
What is FPIES
Food protein induced enterocolitis syndrome
Describe FPIES
delayed (1-3 HOURS) action non IgE medicated food sensitivity, causing “profuse gastrointestinal distress and DHN”.
Main trigger of FPIES
cows milk, soy, grains
What is OAS
oral allergen syndrome, when a kid eats fruit or vegetables in people with pollen allergies,
How do previous manifestations of food allergies affect subsequent reactions?
There is not predictive ability, subsequent reactions may be severe or mild (p. 304)
What is a biphasisc anaphylactic reaction
One that returns w/in 72 hours after initial symptoms w/o subsequent exposure.
Three predictors of biphasic reaction
administering epi > 90 min after symptoms start
previous anaphylaxis
need for multiple epi doses
Priority intervention for anaphylaxis
IM epi to vastus lateralis
Concentration of epi
1:1
Epi dose and Max epi dose
0.01 mg/kg IM 0.5mg MAX
