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 What Causes Eczema? What Puts Men at Risk for Osteoporosis How Palliative Care Services Can Help Individuals with Chronic Conditions 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: