Insect venom allergies
2003
: Systemic IgE-mediated immediate type reactions (anaphylaxis) due to honeybee or vespid stings are potentially life-threatening; they are reported in up to 5% of the general population. Insect venom allergy is diagnosed by history, skin testing and measurement of insect venom-specific serum IgE; sometimes additional tests are needed. The diagnosis is based on the history of a systemic allergic immediate type sting reaction, without such a medical history any other "positive" test results are irrelevant. Nearly always, patients with systemic allergic sting reactions can be protected from further episodes of anaphylaxis by a carefully performed hyposensitization (specific immunotherapy). If therapeutic efficacy has been proven by tolerance of a re-sting, hyposensitization can be frequently stopped after 3 to 5 years. Patients with a particular risk of frequent re-stings or of very severe sting reactions may have to be treated for a longer time, some of them even life-long.
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