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May 2006 QUIZ OF THE MONTH . . .
Systemic allergic reactions to stings of hymenoptera insects (honeybee, wasp, hornet, yellow jacket) can be limited to the skin or also involve other organ systems, sometimes manifest as full-blown anaphylaxis. Parents of children who have manifested a possible systemic reaction to a hymenoptera sting (HS) are very concerned whether the event in their child was a true allergic reaction. If so, what is the risk for a repeat systemic allergic reaction of even greater severity?
Which of the statements about this situation are true or false?
- Negative responses to skin tests with an appropriate panel of hymenoptera venoms rules out the likelihood of a systemic reaction to a subsequent HS.
- A child with a documented systemic reaction to a HS limited to the skin is unlikely to manifest a more severe systemic reaction to a subsequent repeat HS by the same type of insect.
- Immunotherapy with the appropriate hymenoptera venom extract will significantly reduce the likelihood of a severe systemic reaction to a repeat HS in a child who previously had a systemic HS reaction involving multiple organs.
- A child with a history of a large local reaction to a HS is at increased risk for a prominent systemic reaction to a repeat HS
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