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U.S. Department of Health and Human Services

Animal & Veterinary

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FDA Warns Horse Owners and Vets about Deaths Due to Unapproved Clenbute

November 24, 2006

FDA has become aware of the deaths of several horses in the State of Louisiana associated with the use of a product labeled as "Clenbuterol HCL." Horse owners and veterinarians should be aware that there are no generic clenbuterol-containing products approved for animals. There is one clenbuterol containing product approved as safe and effective for use in horses, trade name Ventipulmin®. This is a link to information about Ventipulmin on the FDA/Center for Veterinary Medicine website.

Horse owners and veterinarians who are aware of horse injuries or deaths that may have been caused by "Clenbuterol HCL" are urged to report this to the FDA office in their area. This is a link to a listing of FDA Consumer Complaint Coordinators.


Contact FDA

240-276-9115 FAX
Issued by: FDA, Center for Veterinary Medicine

Communications Staff, HFV-12

7519 Standish Place

Rockville, MD 20855