No reliable method exists for testing whether a metered-dose inhaler(MDI) has emptied itself of its therapeutic ingredients and contains only the propellant, according to information from the Allergy & Asthma Network Mothers of Asthmatics.
This lack of reliability is urgent because MDIs are the mainstay delivery system for the treatment of asthma. To view additional information, visit http://www.aanma.org/pdf/mdiPoster.pdf. |
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