wo kann ich einen allergietest machen — which blood markers matter?

Allergy testing is typically performed by specialists (allergists, dermatologists, pulmonologists) or certified laboratories. Key blood markers include total IgE (elevated in atopic predisposition), allergen-specific IgE (e.g., to pollen, dust mites, foods), and eosinophil count. The basophil activation test (BAT) is used in specialized centers. Crucially, a positive blood test alone does not confirm clinical allergy—it must be correlated with symptoms and, if needed, a provocation test. Consumer DNA tests for allergies (e.g., analyzing genetic variants) have weak evidence and cannot replace medical diagnosis. The evidence for these blood markers is practice-based (clinically established), but interpretation requires medical expertise. Caution: self-testing without professional guidance may lead to misinterpretation or unnecessary dietary restrictions.