ProAir RespiClick is a powder form of albuterol that's inhaled by mouth using a metered dose inhaler. Ventolin HFA is an ...

The effects of extreme temperatures on drug delivery of two albuterol sulfate hydrofluoroalkane, metered-dose inhalers (MDIs) were evaluated.Methods. Three Proventil HFA and three Ventolin HFA ...

Albuterol 90mcg/inh ... Prime before using for the first time, when the inhaler has not been used for more than 2 weeks, or when the inhaler has been dropped. To prime, release 4 sprays into ...

Leak Rate. It is common for MDIs to lose propellant during storage. The propellant-leak rate of the test MDIs was compared with that of the controls (Figure 3). The leak rates for the Proventil ...