MDIs can recognized by the abbreviation HFA (which stands for the propellant hydrofluoroalkane). These include Ventolin HFA, Proventil HFA, Proair HFA, Atrovent HFA, Alvesco HFA, and Asmanex HFA.

It is undisputed that the Inhaler Patents do not claim the active ingredient, albuterol sulfate, in the reference ProAir® HFA Inhalation Aerosol product. Amneal filed an Abbreviated New Drug ...

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 ...