Keep going until your lungs become clean. Cystic Fibrosis sufferers should be able to treat their mucus this way, as it increases the risk of developing lung infection. They find it difficult or impossible to inhale, exhale, and breathe normally. In contrast to other drugs that assist in avoiding respiratory problems, this solution can be taken by both expectant or breast-feeding women and children. George RJ, Winter RJ, Johnson MA, Slee IP, Geddes DM. There is no need for treatment other than quitting. Tullis DE. We wanted to first find devices with at least 1,000 5-star ratings. It is easy-to-use and safe for people with lung diseases. The AirPhysio exhalation/inhalation clearing device is preferred by people who want to improve their breathing and notice a remarkable increase in their ability to breathe.