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What is the blow-by technique with a nebulizer?

Do not use! A nebulizer uses forced air to turn asthma medication into a fine mist so that it can easily be breathed into the lungs. "Blow-by" refers to the practice of directing the mist stream of the nebulizer toward the mouth and nose of the person receiving the treatment. As the name suggests, most of the medication blows right by and never reaches the patient. Even if the outlet of the nebulizer is placed 1/2 inch from the mouth and nose, most of the medication is lost to the surrounding air.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.