No Link Between Laminitis and IA Corticosteroids in Healthy Horses
Stacey Oke, DVM, MSc
January 29, 2023
The overall incidence of laminitis due to IA corticosteroid injection might be lower than many believe.
Laminitis (commonly called “founder”) affects an estimated 7-14% of the world’s equine population. It’s the inflammation of the tiny, interwoven lamellae that attach a horse’s hoof to the underlying coffin bone (third phalanx, or P3) and support the horse’s entire body weight. Anything that impacts the integrity of the lamellae, such as inflammation, weakens their hold. This causes the coffin bone to displace within the hoof capsule and move toward the ground. The condition is very painful and is often life-threatening to horses.
The same disease has several different causes, which include:
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