Kuwana nzira dzokuziva nadzo mapoka maduku anopindura zvakanaka kumarudzi akasiyana-siyana okurapwa chinhu chinokosha chezvino kuongorora asthma. Kunyange zvazvo asthma iri chirwere chisingaperi chinovhiringidza, hachionekwi sechikamu chechirwere chisingaperi chinovhiringidza chemapapu, sezvo shoko iri richirevawo zvimwe zvirwere zvisingachinjiki zvakadai sechirwere chisingachinjiki chinovhiringidza mapapu. Zvisinei, kana chirwere chisingachinjiki chinovhiringidza mapapu, asthma inogona kutungamira kune zvirwere zvisingachinjiki zvinovhiringidza mapapu. Zvisinei, kana chirwere chisingachinjiki chinovhiringidza mapapu, asthma inowanzokonzera kusagadzikana kwemapapu.
atopic (extrinsic) kana kuti non-atopic (intrinsic)