AllergieCheck | IgE-Antikörper Test: can a microbiome test help?

An IgE allergy test measures specific antibodies to allergens, indicating sensitization. A microbiome test (e.g., stool or skin) analyzes bacterial composition. Whether a microbiome test helps with allergies is not yet clearly established. Observational studies suggest that gut dysbiosis is associated with higher allergy risk, especially in children (hygiene hypothesis). Skin microbiome also plays a role in atopic dermatitis. However, a microbiome test cannot replace IgE measurement or diagnose allergies. Evidence for personalized interventions (e.g., probiotics) based on microbiome data is weak and not guideline-based. The IgE test remains the gold standard for allergy diagnosis. A microbiome test may provide complementary hints but should not be used alone. Be cautious of exaggerated marketing claims.