The AWMF (Association of the Scientific Medical Societies) mold guideline “Medical clinical diagnostics for indoor mold exposure”—Update 2023 [44] concludes that there is limited or presumed evidence of a link between indoor dampness/mold exposure and health problems. However, there is inadequate or insufficient evidence for an association between indoor dampness/mold exposure and the environmental medical syndromes sick building syndrome (SBS), multiple chemical sensitivity (MCS) and chronic fatigue syndrome (CFS). Newly coined terms, such as biotoxicosis and mold and vapor hypersensitivity syndrome (MDHS) or volatoxins, suggest a nosological specificity of a pathophysiological connection for which, however, there is no evidence to date. The background to this assessment is presented in this paper.
