Metered Dose Inhaler (MDI) With a Spacer
A spacer is used with a Metered Dose Inhaler (MDI) to help more medicine reach the lungs. Learn how to use an MDI with a spacer the right way.
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What Is an Inhaler?
A metered-dose inhaler (MDI), also called an inhaler, pump, or puffer, gives asthma medicine as a mist. Each puff gives a measured amount of medicine.
What Is a Spacer?
A spacer attaches to the inhaler. It holds the medicine for a short time, making it easier to breathe the medicine into the lungs.
Why is a Spacer Used with a Metered Dose Inhaler (MDI)?
The spacer helps more medicine reach the lungs. Always use a spacer with a MDI. Before using a new inhaler for the first time, read the instructions to learn how to get it ready.
Steps To Get Ready To Use an Inhaler With a Spacer:

Steps To Use an Inhaler With a Spacer:



Steps To Clean a Spacer:
Clean the spacer at least once a week.
- Remove the inhaler from the spacer.
- If possible, take the pieces of the spacer apart.
- Soak the spacer pieces in warm, soapy water for 10 minutes.
- Clean the spacer pieces with a soft cloth. Do not scrub or use a brush.
- Rinse the spacer with warm water to wash off any soap.
- Let the spacer pieces dry completely before putting them back together.
To Learn More, Watch This Video:
Artwork@2019 Booster Shot Media Inc.
Draft Number: 1891Revision Date: October 23, 2026
This content was created to help you care for your child and/or family member. It does not take the place of medical care. Talk with your healthcare provider for diagnosis, treatment and follow-up.