Purpose: 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 ...

Albuterol sulfate 90mcg/inh; metered-dose aerosol (with a dose counter); CFC-free. Proair HFA (albuterol sulfate) Inhalation Aerosol ... formulation and provides 200 actuations.

The manufacturers' reported dose per actuation for both MDIs is 108 µg of albuterol sulfate ... study duration for Proventil HFA and Ventolin HFA metered-dose inhalers. Albuterol dose per ...

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