The leak rates for the Proventil HFA test and control MDIs were similar at the start of testing and at one month, but test MDIs exhibited increased propellant loss at three and six months.

Albuterol 90mcg/inh; metered-dose aerosol; contains hydrofluoroalkane; CFC-free. Activation of beta2-adrenergic receptors on airway smooth muscle leads to the activation of adenylcyclase and to an ...

Medically reviewed by Daniel More, MD Asthma inhalers are hand-held devices that allow you to inhale a dose of medication to ...

Prescription rescue treatments for allergic asthma are typically short-acting bronchodilators: Examples include Proventil HFA ...

Albuterol sulfate 90mcg/inh; metered-dose aerosol (with a dose counter); CFC-free. Proair HFA (albuterol sulfate) Inhalation Aerosol is supplied as a pressurized aluminum canister with a red ...

Three Proventil HFA and three Ventolin HFA MDIs were stored at room temperature and served as controls while three of each product were placed in the trunk of a vehicle in Tucson, Arizona.