A metered dose inhaler (MDI) delivers a specific amount of medicine in aerosol form. This makes it possible to inhale the medication, instead of taking it in pill form.
MDI's are commonly used to treat asthma, COPD, and other respiratory conditions.
Reviewed last on: 5/21/2009
Allen J. Blaivas, DO, Division of Pulmonary and Critical Care, UMDNJ-New Jersey Medical School, Newark, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.