Seven Proventil HFA (albuterol sulfate 6.7 g hydrofluoroalkane ... The USP throat was rinsed with 50 mL of mobile phase and assayed for drug content. The filter j from the impactor inlet was ...

They differ in whether they're used for quick relief or long-term control, what type of drug they contain, and how the medications ... MDIs can recognized by the abbreviation HFA (which stands for the ...

If your inhaler has a dose counter, this eliminates all the guesswork and uncertainty about how much medicine is left in an inhaler. For example, Ventolin HFA, Advair HFA, and fluticasone have dose ...

Amneal Pharmaceuticals that impacts Orange Book (OB) listings for patents related to FDA-approved drug ... API albuterol sulfate. Teva listed several patents in the OB for ProAir® HFA, including ...

and the approved methods of using the drug. Teva had listed nine patents in the Orange Book for its ProAir® HFA albuterol inhaler. Five of the patents were directed to a dose counter used for the ...