Seven Proventil HFA (albuterol sulfate 6.7 g hydrofluoroalkane inhalation aerosol) a and seven Ventolin HFA (albuterol sulfate 18 g hydrofluoroalkane inhalation aerosol) b MDIs were acquired from ...

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 ...

Short-acting beta-agonists (SABAs) are a class of prescription drugs used to quickly relieve shortness of breath and wheezing in people with asthma. SABAs work by relaxing the smooth muscles of the ...