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.

albuterol sulfate inhalation solution generic ... 6 to 8 hours quick relief of bronchospasm (ages 6 years+) levalbuterol HFA Xopenex HFA inhaler 2 inhalations, taken every 4 to 6 hours treatment ...

Objectives Continuous albuterol nebulization is generally administered at 2.5–20 mg/hr at most centers. We examined the effect of high-dose (75 or 150 mg/hr) albuterol on clinical variables in ...