Using a Spacer With an Inhaler Make an Appointment Ask a Question Search Conditions A spacer can help deliver inhaled medications to the lungs instead of just to the mouth. Related Videos Many Children With Asthma Use Their Inhalers Incorrectly, Leading To Serious Complications Using an Aerochamber® How to Use an Aerochamber® with Mask How to Use an Autohaler® How to Use an Aerolizer® How to Use a Diskus® Using the Ellipta Inhaler Device How to Use a Flexhaler® How to Use a HandiHaler® How to Use a Neohaler® How to Use a Twisthaler® How to Use a Nebulizer Using A Respimat® Transcript A spacer is a device that you attach to a metered-dose inhaler before you take medication. It helps deliver medicine to the airways and the lungs instead of to the mouth or throat. A spacer can also make your inhaler easier to use and it can reduce the risk of side effects. Ask your healthcare provider if a spacer is right for you. Want to use this on your website? Fill out the content usage request form and then copy this code: