Know the most frequent pathologies facilitates the clinical orientation improving the prognosis of the patients. To determine the pathologies that occur in horses at the U.D.C.A Veterinary Clinic, a retrospective study was conducted between january and december 2017. 242 clinical histories were analyzed, classifying the cases according to date, origin, race, sex, age, defi nitive diagnosis, system, medical-surgical treatment and evolution. The most frequent source was the department of Cundinamarca and the city of Bogotá, 55.8% were females, 44.2% males, age between 1 day and 25 years, 24% young, 76% adults with an average age of 81.5 months and a standard deviation of 51.7 months, the predominant breed was Colombian Creole Horse (CCC). The most affected systems were muscle skeletal (ME), digestive (D), and reproductive, the most frequent cases were classic stringhalt or equine refl ex hypertonia, which occurred only in CCC, alterations of the large intestine, and cryptorchidism, respectively. Surgical treatment was given to 66.5%