MDIs can recognized by the abbreviation HFA (which stands for the propellant hydrofluoroalkane ... Examples of DPIs include those with the names Digihaler, Handihaler, Ellipta, Diskus, Pressair, ...
For example, Ventolin HFA, Advair HFA, and fluticasone have dose counters, Some asthma inhalers do not have a dose counter on the inhaler. And if you are taking an HFA-based metered-dose inhaler (MDI) ...
Advair lost US patent protection in 2010 and exclusivity on the Diskus inhaler went in 2016 - but it took until February 2019 for the FDA to approve a generic from Mylan, now part of Viatris.
Hikma's filing for a generic version of GlaxoSmithKline's Advair Diskus has been accepted by the FDA. The abbreviated new drug application (ANDA) for the fluticasone propionate and salmeterol ...