Respuesta :
Yes, most inhalers have 1 or 2 medicines and a propellant (the 'HFA' on your inhaler is the propellant, hydrofluoroalkane, if you’d ever wondered – it replaced CFC or chlorofluorocarbon-propelled inhalers).
Yes, most inhalers have 1 or 2 medicines and a propellant (the 'HFA' on your inhaler is the propellant, hydrofluoroalkane, if you’d ever wondered – it replaced CFC or chlorofluorocarbon-propelled inhalers).