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, chronic obstructive pulmonary disease (COPD) and other respiratory problems.
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. So that your airways receive the right amount of medicine, it is important to use your inhaler correctly.
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