Thrush is a common condition that affects horses’ feet, primarily the frog area, and is characterized by a foul odor, dark discharge, and sometimes, a sensitive or painful hoof. It is caused by various bacteria and fungi, often flourishing in damp, unsanitary conditions. In this article, we will explore the causes, symptoms, treatment, and preventive measures for thrush in horses, providing horse owners with the knowledge to maintain their horse’s hoof health.