Characteristics of Patients with Anaphylaxis to European Hornet (Vespa crabro) Venom Compared to Anaphylaxis to Wasp (Vespula spp.) Venom in Southern Germany.

Introduction: Systemic hypersensitivity to hymenoptera species venom is the most common cause for anaphylaxis in adults. Due to similarities between hornet (Vespa crabro) and wasp (Vespula spp.) venom, patients with hornet venom anaphylaxis are often treated similarly to wasp-allergic patients.

Long-term tolerance and efficacy of venom immunotherapy after an episode of Crohn's disease and ankylosing spondylitis after up-dosing.

Hymenoptera stings can cause severe anaphylactic reactions in patients with an underlying Hymenoptera venom allergy (HVA). In such cases, venom immunotherapy (VIT) is a highly effective measure to prevent future anaphylaxis. The management of patients with a clear allergological indication for VIT and contraindications to VIT (e.