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.
Metered dose inhaler use - part two
Take off the cap and shake the inhaler hard.
Metered dose inhaler use - part three
Breathe out all the way.
Metered dose inhaler use - part four
Hold the inhaler 1 to 2 inches in front of your mouth (about the width of two fingers).
Metered dose inhaler use - part five
Start breathing in slowly through your mouth, and then press down on the inhaler one time. Breathe in slowly, as deeply as you can.
Metered dose inhaler use - part six
Slowly count to 10 while you hold your breath (if you can). This lets the medicine reach deep into your lungs.
Metered dose inhaler use - part seven
If your doctor prescribed more than one puff of medicine, repeat this procedure, starting with step 2. For inhaled quick-relief medicine (beta-agonists), wait about one minute between puffs. There is no need to wait between puffs for other medicines.
Metered dose inhaler use - part eight
Rinse your mouth afterward to help reduce unwanted side effects.
David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc., and Denis Hadjiliadis, MD, Assistant Professor of Medicine, Division of Pulmonary, Allergy and Critical Care, University of Pennsylvania, Philadelphia, PA.