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Clinical Case 6
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Objectives:

  • Identify common food allergens
  • Recognize important associations between food allergy and selected vaccines



1

An 18-month-old boy comes to clinic with a history of eczematous rash covering his extremities and face. His parents state that it worsens after the ingestion of certain foods. He has had increased fussiness over the last several months, as well as some difficulty gaining weight. Food allergy is suspected.

Which of the following foods is NOT commonly implicated in food allergy?

A)Milk.
B)Corn.
C)Wheat.
D)Soy.
E)Egg.
2

Two months later, this patient required an emergency room visit after developing increased work of breathing, wheezing, and an urticarial rash after eating. He is tested by both percutaneous skin testing and RAST testing and is found to have egg allergy.

Which of the following vaccinations should NOT be given to this patient in light of his allergy to egg?

A)MMR.
B)Inactivated polio vaccine.
C)Hemophilus influenzae B.
D)Conjugated pneumococcal vaccine (Prevnar).
E)Influenza.





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