Aug 11, Learn more from WebMD about asthma inhalers and the proper way to use them to manage symptoms and decrease the chance of an asthma. Feb 18, If you use your inhaler the wrong way, less medicine gets to your lungs. A spacer device will help. The spacer connects to the mouthpiece. Learning how to properly use an inhaler with a spacer and mouthpiece for asthma ensures the medicine gets deposited into the lungs. Incorrect technique can.
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