Skip to content

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Spacer for metered-dose inhaler

Child using inhaler with attached spacer, with end of spacer in mouth while holding spacer with one hand and inhaler with other.

A spacer is a chamber that can be attached to a metered-dose inhaler (MDI). The spacer may have a one-way valve that holds the medicine in the chamber before it is inhaled. This way you can inhale the medicine in one or many breaths, depending on your ability. A spacer:

  • May help prevent getting a yeast infection in your mouth. And using one can prevent your voice from sounding hoarse.
  • Delivers more medicine straight to your airways. This is true even if you have trouble using your inhaler.
  • Reduces the amount of medicine you swallow. This means you are less likely to have side effects.

It is especially important to use a spacer with an inhaler that contains corticosteroids. Spacers also may be used by children who have trouble using a metered-dose inhaler correctly. Don't use a dry powder inhaler (DPI) with a spacer.

Current as of: August 6, 2023

Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

Find an Office

Gladstone Office

6060 North Oak Trafficway
Suite 101
Gladstone, MO 64118
Phone: (816) 941-0800

Overland Park Office

4370 W 109th St.
#350
Overland Park, KS 66211
Phone: (816) 941-0800

Independence Office

19550 E 39th St
Suite 320
Independence, MO 64057
Phone: (816) 941-0800

Lee’s Summit

1980 SE Blue Parkway
Suite 2330
Lee’s Summit, MO 64063
Phone: (816) 941-0800