Inhalation Technology - A breath of fresh air in drug delivery

A case study reviewing inhalation devices. The inhalation route is a fast and effective way of delivering medication locally to the lungs and also for the systemic administration of certain agents. 

The Metered Dose Inhaler (MDI) is the original and most widely used device to deliver inhalation therapies. It uses pressurized gas to release its dose when activated by the patient. More recently, the Dry Powder Inhaler (DPI) has been gaining popularity because it does not rely on propellant to deliver the medication and patients find it convenient and easy to use. Other systems available on the market include liquid droplet inhalers and nebulisers.

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