Hymenoptera venom allergy ranks among the top three causes of anaphylaxis worldwide,
and approximately one‐quarter of sting‐induced reactions are classified as severe. Fatal …

BACKGROUND: Severe anaphylaxis in Hymenoptera venom allergy has been associated
with a number of risk factors including elevation of baseline serum tryptase (BST), older age …

Hymenoptera stings can cause severe systemic allergic reactions and occasionally fatal
anaphylaxis, which contribute significantly to morbidity and deterioration in health‐related …

Background Mastocytosis and/or elevated basal serum tryptase may be associated with
severe anaphylaxis. Objective To analyse Hymenoptera venom‐allergic patients with regard …

Background Severe anaphylaxis (SA) in Hymenoptera venom allergy has been associated
with a number of risk factors. However, the effect of several of those risk factors on the …

The purpose of diagnostic procedure is to classify a sting reaction by history, identify the
underlying pathogenetic mechanism, and identify the offending insect. Diagnosis of …

As half of individuals with fatal sting reactions had no documented history of previous
systemic reaction, we need to further improve the knowledge of the natural history and risk …

Risk factors should be part of the decision, of which patient should be offered venom
immunotherapy (VIT) and how VIT should be performed. Risk factors for a severe systemic …

In all patients with anaphylaxis following hymenoptera stings, baseline serum tryptase
should be determined. A value above 11.4 μg/l is often due to mastocytosis and indicates a …

Key Clinical Points Hypersensitivity to Hymenoptera Stings Stings from insects of the order
Hymenoptera are important causes of systemic allergic reactions. In sensitized persons …