Explain the process of drug powder aerosolization process from a DPI?  Please answer at your own words.

Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
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Explain the process of drug powder aerosolization process from a DPI?  Please answer at your own words. 

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Drug powder inhalers (DPIs) are medical devices that are used by patients to deliver dry powder drugs to the lungs along with the inhaled air. These devices help patients with respiratory problems like asthma, emphysema and bronchitis. 

The dose of a drug that is delivered from a DPI at once is called drug powder dosage. They have advantages like easy portability, fast delivery, and compactness. On the negative side, oral inhalation of dry powder reduces the amount of dry reaching the target. 

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