Proair HFA (albuterol sulfate) Inhalation Aerosol is supplied ... sulfate from the actuator mouthpiece (equivalent to 90 mcg of albuterol base). Asthma may deteriorate acutely over a period ...

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 ...

The leak rates for the Proventil HFA test and control MDIs were ... per actuation for both MDIs is 108 µg of albuterol sulfate, which corresponds to 90 µg of albuterol base.

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 ...