How are Stuhlprobe and allergy related?

Stool samples (e.g., MyBody-X microbiome test) analyze gut bacteria composition. The gut microbiome influences immune regulation, and dysbiosis has been linked to allergic diseases like asthma, eczema, and food allergies. However, a stool test cannot diagnose allergies—it only provides a snapshot of bacterial diversity. Allergy diagnosis requires specific IgE blood tests or skin prick tests. Evidence level: mechanistic (gut-immune axis) and observational. Caveat: No validated allergy markers in standard consumer stool tests.