Porush created the first metered-dose inhaler (MDI) in just two months. By March 1956, the Food and Drug Administration had approved two new aerosol drugs for asthma, as well as Porush’s device ...

Clean your nebulizer or soft mist inhaler device every week. These devices have many parts, and taking care of them is more involved than taking care of HFA/MDI or dry powdered inhalers.