The manufacturers' reported dose per actuation for both MDIs is 108 µg of albuterol sulfate, which corresponds ... temperature on the performance of the inhalers when not allowed to return ...

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 ...

Ipratropium bromide 20mcg, albuterol 100mcg (equivalent to 120mcg albuterol sulfate); per actuation; inhalation spray; CFC-free. Based on studies, ipratropium bromide appears to inhibit vagally ...

After reformulating with HFA propellant and changing the inhaler device, Primatene Mist became available OTC again in 2018.