The journal of allergy and clinical immunology. In practice
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J Allergy Clin Immunol Pract · May 2015
Review Case ReportsAnaphylaxis after hymenoptera sting: is it venom allergy, a clonal disorder, or both?
A 47-year-old man presented with loss of consciousness 5 minutes after being stung by a yellow jacket in his backyard. Epinephrine and fluids were required for resuscitation. Allergy evaluation revealed specific IgE to yellow jacket and honeybee, and the patient was started on venom immunotherapy. ⋯ A diagnosis of systemic mastocytosis was made. The patient was treated with omalizumab and was able to tolerate immunotherapy and is currently maintained on lifelong immunotherapy. He was restung in the field and has not had anaphylaxis.