Dry-powder inhaler
Dry-powder Inhaler
A Dry-powder Inhaler (DPI) [1] is a device that delivers medication to the lungs in the form of a dry powder. DPIs are commonly used to treat respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD).
Pronunciation
Dry-powder Inhaler: /draɪ 'paʊdər ɪn'heɪlər/
Etymology
The term "Dry-powder Inhaler" is derived from the English words "dry" and "powder", referring to the state of the medication, and "inhaler", which refers to the method of administration.
Usage
Dry-powder Inhalers are used to deliver medication directly to the lungs. This is beneficial for treating respiratory diseases as it allows for a higher concentration of the drug to be delivered directly to the affected area, while reducing systemic side effects.
Types of Dry-powder Inhalers
There are several types of DPIs, including single-dose DPIs, multiple-dose DPIs, and reservoir DPIs. Each type has its own advantages and disadvantages, and the choice of DPI often depends on the specific needs of the patient.
Related Terms
- Asthma: A chronic condition that causes inflammation and narrowing of the bronchial tubes.
- Chronic Obstructive Pulmonary Disease (COPD): A chronic inflammatory lung disease that obstructs airflow from the lungs.
- Inhaler: A medical device used for delivering medication into the body via the lungs.
- Respiratory System: The organs and structures that bring air into the body, allowing for gas exchange.
External links
- Medical encyclopedia article on Dry-powder inhaler
- Wikipedia's article - Dry-powder inhaler
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