idiopathic environmental intolerance


id·i·o·path·ic en·vir·on·men·tal in·tol·er·ance

(IEI) (id'ē-ō'path-ik en-vī'rŏn-men'tăl in-tol'ĕr-ăns) A puzzling condition in which nonspecific symptoms involving many organ systems arise by unknown mechanisms after putative environmental exposures to very low levels of diverse chemicals.
Synonym(s): multiple chemical sensitivity.