Thursday, Aug. 21, 2025

FEI Makes Additions And Changes To The 2012 Substance List

The Fédération Equestre Internationale has enacted changes to the 2011 Equine Prohibited Substance list. The changes, which are pending approval by the FEI Bureau, will go into effect on Jan. 1, 2012. 

Three substances have been added to the Prohibited List. They are:

-Magnesium sulphate injections: used to calm horses when administered intravenously, can cause cardiac arrest in certain instances

-ACTH (adrenocortcotropic hormone): a powerful anti-inflammatory drug that, with overuse, can cause breakdown in a horse’s joints

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