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How to use a metered-dose inhaler without a spacer

Follow these steps for using a metered-dose inhaler without a spacer.

Person shaking inhaler and removing cap.

1. Shake the inhaler for 5 seconds. Remove the cap.

Person holding inhaler.

2. Hold the inhaler upright with the mouthpiece at the bottom.

Person holding inhaler and exhaling.

3. Stand or sit up straight. Breathe out slowly and completely.

Person with lips closed around inhaler's mouthpiece.

4. Put the inhaler's mouthpiece in your mouth, and close your lips tightly around it. Keep your tongue away from the opening.

Person breathing in through inhaler and then exhaling.

5. Take one slow, deep breath while pressing the canister 1 time to release a puff of medicine. Hold your breath for 5 to 10 seconds.

Wristwatch with shading to show elapsed time.

6. If you need another puff of medicine, wait 1 minute between puffs.

Person replacing cap on inhaler.

7. Replace the cap on the inhaler.

Person swishing water in mouth and then spitting into cup.

8. Rinse your mouth with water if the inhaler has corticosteroids, such as fluticasone. Do not swallow the water.

Current as of: May 1, 2026

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

Current as of: May 1, 2026

Author: WebMD Ignite Staff

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

This information does not replace the advice of a doctor. WebMD Ignite, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.