Dry powder inhaler

Dry Powder Inhaler

A Dry Powder Inhaler (DPI) 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).

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 by patients who have been prescribed medication for inhalation. The medication is delivered to the lungs as the patient inhales through the device. This method of delivery allows for the medication to be delivered directly to the site of action, reducing systemic side effects.

Types

There are several types of Dry Powder Inhalers, including single-dose, multi-dose, and reservoir devices. Each type has its own advantages and disadvantages, and the choice of device may depend on the patient's ability to use the device correctly, the medication being delivered, and the patient's personal preference.

Related Terms

• Metered Dose Inhaler (MDI)
• Nebulizer
• Spacer (Inhalation device)
• Bronchodilator
• Corticosteroid

See Also

• Respiratory Therapy
• Pulmonology

External links

• Medical encyclopedia article on Dry powder inhaler
• Wikipedia's article - Dry powder inhaler

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