Using A Metered-dose Inhaler (MDI): How To Use A Metered Dose Inhaler
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How to use a metered-dose inhaler
To get started using your metered-dose inhaler (MDI):
- Talk with your health professional to be sure that you are using your MDI correctly. It might help if you practice using it in front of a mirror. Use the inhaler exactly as your health professional has prescribed.
- Check that you have the correct medication. If you use several inhalers, put a label on each one so that you know which one to use at the right time.
- Check how much medication is in the inhaler. Check the label of your inhaler medication to see how many inhalations should be in the canister. If you know how many breaths you can take, you can replace your inhaler before you run out. Learn how to test your canister to estimate how much medication is left. Your health professional or pharmacist can help you with this.
- Use a spacer if you have problems getting the correct timing when you use an inhaler or if you are using corticosteroids.
Using a spacer with an MDI is the most efficient way to get the most medication to your lungs. View a slideshow on the correct way to use an MDI with a spacer 
.
Although using an MDI with a spacer is usually recommended, you can also use an MDI without a spacer. View a slideshow on the correct way to use an MDI without a spacer .
If you are using a corticosteroid inhaler, rinse your mouth out with water after use. Do not swallow the water. Swallowing the water will increase the chance that the medication will get into your bloodstream. This may increase the side effects of the medication.
Some powder may build up on the inhaler, but it is not necessary to clean the inhaler every day. Occasionally rinse the spacer or mouthpiece, cap, and case.
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Using a metered-dose inhaler (MDI)
| Last updated: | June 16, 2006 |
|---|---|
| Author: | Robin Parks, MS |
| Reviewed By: | Kathleen Romito, MD - Family Medicine, Ken Y. Yoneda, MD - Pulmonology |
| Editors: | Katy E. Magee, MA, Pat Truman |
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