Metered-Dose Inhaler and Spacer Make an Appointment Ask a Question Refer Patient Why to Use a Spacer with a Metered-Dose Inhaler (MDI) Steps for Using a Spacer with an MDI Common Spacers Used with MDIs Other Common Spacers Important Information About Spacers Why to Use a Spacer with a Metered-Dose Inhaler (MDI) Because it can be difficult to use the correct technique with a metered-dose inhaler, we often recommend the use of a spacer. A spacer is a device that attaches to the metered-dose inhaler. It helps deliver the medicine to the airways of the lungs instead of the mouth. This helps the medicine work better and lessens side effects. Steps for Using a Spacer with an MDI Insert the inhaler/canister into spacer and shake. Breathe out. Put the spacer mouthpiece into your mouth. Press down on the inhaler once. Breathe in slowly (for 3-5 seconds). Hold breath for 10 seconds. Common Spacers Used With MDIs You can read more about how to use some of the more common spacers by clicking on each one below: Aerochamber® Aerochamber® with a Mask Other Common Spacers Include: VortexTM OptiChamber® Important Information About Spacers Some spacers whistle to let you know if you inhale too quickly It is important to clean your spacer; follow the instructions inside the package Spacers are available for young children with different sized masks We recommend obtaining a second spacer for school or daycare This information has been reviewed and approved by David Tinkelman, MD (August 2012)
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