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Last Updated: Jun 25, 2020
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Inhalation is ideal way of drug delivery to lungs in ASTHMA AND COPD.Inhalation devices are DPI -dry powder inhalation and PMDI -pressure meter dose inhalation and nebulization. Nebulization is for emergency situations.The technique of both DPI AND PMDI defer.If the patient is not inhaling in right way,then response to treatment is not adequate.In a study it was found approximatly 80% persons using these devices are not using in proper way which leads to inadequte treatment response.