I-nebulizer yokucindezela umoya yenzelwe ukuphumelela ekwelapheni i-asthma, izifo ezithinta umoya kanye nezinye izinkinga zokuphefumula. Idala umoya ohamba ngomgudu womoya ocacile uye esitsheni semithi. Lapho umoya ungena esitsheni semithi, uzoguqula umuthi owunikeziwe ube yinkungu ye-aerosol ukuze kube lula ukuphefumula.