What is a metered-dose inhaler?
A metered-dose inhaler is a device that helps deliver a specific amount of medication to your lungs. It is commonly used to treat asthma.
Each inhaler consists of a pressurized canister of medication and a mouthpiece. Pressing down on the inhaler releases a mist of medicine that you breathe into your lungs.
How do I use a metered-dose inhaler correctly?
A. Open mouth. Hold inhaler 2-4 cm away.
B. Use spacer attached to inhaler.
- Remove the cap and hold the inhaler upright.
- Shake the inhaler.
- Hold the inhaler as in one of the pictures A or B
- Spacers are useful for all patients, especially young children and older adults (see picture B).
- Press down on the inhaler to release the medicine as you start to breathe in slowly.
- Breathe in slowly for 3 to 5 seconds.
- Hold your breath for 10 seconds to allow medicine to go deeply into your lungs.
- Repeat puffs as directed. Wait 1 minute between puffs to allow the second puff to get into the lungs better.
Click on the link below to view a clip showing how to use an MDI
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