Inhaled Medication With a Metered-Dose Inhaler (MDI) and Spacer

Why use a spacer with my metered-dose inhaler?
Steps for Using a Spacer with an MDI
Common Spacers Used with Metered-Dose Inhalers
Other Common Spacers Include:
Important Information About Spacers

Why use a spacer with my metered-dose inhaler?

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. Most spacers are used in the following way:

Steps for Using a Spacer with an MDI

1. Insert the inhaler/canister into spacer and shake.
2. Breathe out.
3. Put the spacer mouthpiece into your mouth.
4. Press down on the inhaler once.
5. Breathe in slowly (for 3-5 seconds).
6. Hold breath for 10 seconds.

Common Spacers Used With Metered-Dose Inhalers

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
• E-Z Spacer®
• InspirEase®

Other Common Spacers Include:

• Vortex^TM
• OptiChamber®
• PocketChamber®

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

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This information has been approved by Ann Mullen, R.N., M.S., AE-C and David Tinkelman, M.D. (February 2006).