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How do dry powder inhalers (DPI) work to treat chronic obstructive pulmonary disease (COPD)?

ANSWER

Dry powder inhalers (DPI) is similar to an HFA, but it releases a puff of dry powder instead of a liquid mist. You shouldn’t use a DPI with a spacer. Instead, close your mouth tightly around the mouthpiece of the DPI inhaler and breathe in rapidly and steadily. Be sure to remove the device from your mouth before you breathe out. That's so humid air doesn’t get into the device and make the powder clump.

From: What Devices Help Treat COPD? WebMD Medical Reference

SOURCES:

Norman Edelman, MD, chief medical officer, American Lung Association.

Gail Weinmann, MD, deputy director, NHLBI’s Division of Lung Diseases, Washington D.C.

American Association for Respiratory Care.

American Lung Association.

Global Initiative for Chronic Obstructive Lung Disease.

National Heart, Lung, and Blood Institute.

National Jewish Health.

National Lung Health Education Program.

Reviewed by Dan Brennan on July 25, 2017

SOURCES:

Norman Edelman, MD, chief medical officer, American Lung Association.

Gail Weinmann, MD, deputy director, NHLBI’s Division of Lung Diseases, Washington D.C.

American Association for Respiratory Care.

American Lung Association.

Global Initiative for Chronic Obstructive Lung Disease.

National Heart, Lung, and Blood Institute.

National Jewish Health.

National Lung Health Education Program.

Reviewed by Dan Brennan on July 25, 2017

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How do soft mist inhalers (SMI) work to treat chronic obstructive pulmonary disease (COPD)?

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