The tick is an arthropod that generates multiple problems to the health of companion animals, animals of production systems and a high risk to human health due to this parasite transmits diseases that are zoonotic, a study is going to be done of the canine Erlichiosis, Anaplasmosis and Canine Babesia disease with its pathophysiological aspects, clinical signs, diagnostic methods and treatment due to the three most common diseases that occur in Colombia.