How to use a Metered Dose Inhaler

This article illustrates the proper technique of using a Metered Dose Inhaler​.


​​​​​How to use a Metered Dose Inhaler​

​​1. Shake the inhaler well and remove the cover from the mouthpiece.​

2. If you are using a new inhaler, prime it by releasing 2 puffs of medicine into the air.​
​3. Breathe out gently.
​4. Place the mouthpiece in your mouth and close your lips tightly around it.
Press the canister down and start to breathe in slowly and deeply through your mouth.
​5. Remove the inhaler from your mouth. Hold your breath for about 10 seconds then breathe out slowly through your nose.


  1. If you need to take another puff, wait for at least 1 minute after your first puff before repeating steps 3, 4 & 5.​
  2. If you are using two types of inhaler, use the reliever (Salbutamol) first, wait for at least 5 minutes before using the preventer inhaler.
  3. Rinse your mouth after using if you use a corticosteroid inhaler.​​​

Cleaning of the Metered Dose Inhaler​​

​1. Remove the metal canister carefully from the plastic actuator.
​2. Run warm water through the top and bottom of the plastic actuator for 30 seconds.
​3. Shake off excess water and allow the actuator to air-dry overnight.
​4. Put back the metal canister into the dry plastic actuator the next day.
Test the inhaler by releasing a puff of medicine into the air. 

This article answers some common questions about this medicine. It does not contain all the available information. It also does not take the place of talking to your doctor or pharmacist.

How to use a Metered Dose Inhaler

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