At the end of the study, propellant loss in the Proventil HFA test MDIs increased threefold over that in the controls. The Ventolin HFA test MDIs also had an increased leak rate compared with ...

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 ...

The inhaler options have broadened in recent years, with products on the market that include everything from the short-acting Proventil (albuterol ... and each inhaler manufacturer gets to determine ...

We would like to use cookies to collect information about how you use ons.gov.uk. We use this information to make the website work as well as possible and improve our services.