WolPro Compressor The nebulizer converts the drug into a thin mist that penetrates deeply into the lungs. This is a drug delivery system that uses a mist to distribute medication into the lungs. It breaks up liquids and suspensions into minute aerosol droplets that are inhaled through the device's mouthpiece. To treat your lung problem, you may be offered drugs delivered by nebulizer. Home nebulizer therapy provides medication directly to the lungs, where it is most effective. As a result, this type of therapy works faster and produces greater outcomes with lower doses than pills or injections.