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 ...

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 ...

Inhalers generally expire 1 year after they’re issued, but depending on how they’re stored, they may be good for months after that. If there’s any doubt, get a new one. You may wonder ...

Inhalers for COPD provide steroids, bronchodilators, or combination drugs. The three types differ in the mechanism by which the medication is inhaled and have different instructions for use. If ...

I have used this for several years since they changed from CFC to HFA and I hate it ... However for years now, my inhalers will just stop working without warning. Sometimes with 30 puffs left.