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Merck Manual
Veterinary Manual
The trusted provider of veterinary information since 1955

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VETERINARY PET
Metered-dose inhaler with spacer, horse
aeromask-horse-dowling-sized
Metered-dose inhaler with spacer, horse

    Photograph of the original delivery system for drugs in MDIs used in horses. It was not very efficient because of the large amount of dead space.

Courtesy of Dr. Patricia Dowling.

In these topics
Inhalation Treatment of Airway Disease in Animals

Merck & Co., Inc., Rahway, NJ, USA (known as MSD outside of the US and Canada) is dedicated to using the power of leading-edge science to save and improve lives around the world.  The Merck Veterinary Manual was first published in 1955 as a service to the community.  The legacy of this great resource continues as the Merck Veterinary Manual in the US and Canada and the MSD Vet Manual outside of North America.

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