After reformulating with HFA propellant and changing the inhaler device, Primatene Mist became available OTC again in 2018.
The manufacturers' reported dose per actuation for both MDIs is 108 µg of albuterol sulfate ... of the inhalers when not allowed to return to room temperature. Proventil HFA and Ventolin HFA ...
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 ...
Proair HFA (albuterol sulfate) Inhalation Aerosol is supplied ... Priming and Cleaning Instruct patients to prime the inhaler prior to using it for the first time, and in cases where the inhaler ...