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How to Use a Metered Dose Inhaler With a Spacer

by Kathleen MacNaughton, R.N.
for About.com

Updated: December 5, 2006

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

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Setting Up Your MDI and Spacer

Exhale with Spacer (Photo courtesy of A.D.A.M.

Exhale with Spacer

A.D.A.M.
Once you have everything ready, it's time to actually take your dose of inhaled medicine. Hold the MDI upright in front of your mouth, as pictured above. But before you clamp your lips around the mouthpiece, exhale completely with the inhaler in place.
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