Allergy Flashcards
What is the most common cause of singing insect reaction?
yellow jacket stings
Systemic reactions to stinging insects - testing
What other lab to do and what does it mean?
intradermal testing
if neg - do serum specific IgE
Tryptase
If high (>20ng/L) - Higher risk for systemic rxns for stinging insects in the future and for failure of VIT
may indicate underlying mastocytosis
Who is eligible for venom immunotherapy?
What is timeline?
History of SYSTEMIC reaction to stinging insect
not just cutaneous
Given over 3-5 years
SC injection weekly - monthly - every 2-3 months
Mgmt of systemic reaction to stinging insect bite?
IM epinephrine 0.01mg/kg
Max 0.3mg child, 0.5mg adolescent
Observe in ER 4-6 hours
Antihistamines, bronchodilators = adjunct
Prescribe EpiPen 0.15mg up to 25kg, 0.3mg >25kg
Mgmt of local reaction to stinging insect bite?
Avoidance measures
No need for allergy testing, Epipen, or immunotherapy
Stinging insect avoidance measures
● Do not walk barefoot outdoors
● Exercise caution when eating and drinking outdoors
● Avoid drinking from opaque cans or straws outdoors
● Wear gloves and long sleeves for gardening and a long sleeve shirt for play in high-risk areas
● Remove all insect nests around the home and call a professional for insect control or nest removal in confined or hard-to-reach spaces
Incidence of food allergies?
Most common food allergies ?
2-10%
cow’s milk, egg, peanut, tree nuts, fish, shellfish, wheat and soy
CPS definition of high risk for allergy
having a personal history of atopy, including eczema, or having a 1stdegree relative w atopy (eczema, food allergy, allergic rhinitis, asthma)
When to introduce allergenic foods to infants?
High risk: 4-6 months
No/low risk: 6 months
(and obv developmentally appropriate and showing readiness)
Introduce one at a time
Provide multiple times a week
