The effect of a holding chamber on albuterol metered-dose inhaler product differences

Three albuterol sulfate metered-dose inhaled (MDI) products (Ventolin HFA, Proventil HFA, and ProAir HFA) are marketed in the United States to provide the same total dose of albuterol sulfate. However, it is widely known that the fine particle dose (
Source: Annals of Allergy, Asthma and Immunology - Category: Allergy & Immunology Authors: Tags: Original article Source Type: research