Common mistakes around IgE Allergie Ernährung

Common mistakes around IgE allergy and nutrition: Many people confuse IgE-mediated food allergies (immediate type) with non-immunological intolerances (e.g., lactose intolerance, IBS). Unvalidated tests – such as IgG panels or direct-to-consumer DNA tests (as noted in context: 'DNA tests for common food intolerances lack strong evidence') – cannot diagnose IgE allergies. Another error is starting restrictive elimination diets without proper medical workup (skin prick test, specific IgE, oral challenge). This risks nutritional deficiencies. Overlooking cross-reactivity (e.g., birch‑apple in pollen‑food syndrome) leads to unnecessary avoidance of harmless foods. Also, IgE profiles change over time: children may outgrow allergies, adults may develop new ones. The provided contexts (ferritin self‑test, microbiome tests) illustrate how lab results without inflammatory markers can be misinterpreted – similarly, a single IgE value without clinical correlation is misleading. Evidence: unclear, as no direct sources on IgE nutrition mistakes were in context; general test caveats apply.