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[Insulin allergy: background, diagnosis and treatment]
J Wonders1, E M W Eekhoff, R Heine
1Afd. Dermatologie, VU Medisch Centrum, De Boelelaan 1117, 1081 HV Amsterdam.
Abstract:
An allergic reaction develops in 2.4% of patients that use insulin. This ranges in severity from erythema and pruritus to life-threatening anaphylaxis. llergic reactions to insulin usually occur within a few hours after an injection and are usually due to a local or systemic type I IgE-mediated hypersensitivity reaction. Despite considerable research into the immunogenicity of insulin, this has not yet been clarified completely and allergic reactions to insulin still occur. A systematic diagnostic approach is essential for an adequate treatment plan. A blood test for anti-insulin antibodies and intradermal skin tests are of great importance. There are many options available for the treatment of insulin allergy and each patient must therefore be evaluated individually.
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