O presente relatório surge na sequência do estágio curricular do Mestrado Integrado em Medicina Veterinária da Universidade Évora, realizado na Clínica; - Abstract Canine Leishmaniasis The present report follows the curricular internship of the Integrated Master's Degree in Veterinary Medicine at the University of Évora, held at the Vetbeirão Veterinary Clinic, focusing on small animal clinical practice and surgery. The first part of this report describes the activities and caseload followed during the internship. The second part consists of a literature review on "Canine Leishmaniasis" followed by the description and discussion of two clinical cases observed during the internship. Leishmaniasis is a zoonosis endemic in Portugal caused by Leishmania infantum and transmitted by sandflies. The main host is the dog, in which a multisystemic disease with varied symptoms and complex diagnosis may develop. The treatment aims to reduce clinical signs and control the infection; however, it is not possible to achieve parasitological cure. It is essential to adopt preventive and immunoprophylactic measures to reduce the incidence of this disease. Veterinária Vetbeirão, na área da clínica e cirurgia de animais de companhia. A primeira parte deste relatório descreve as atividades e casuística acompanhada durante o estágio. A segunda parte consiste na revisão bibliográfica sobre o tema “Leishmaniose Canina”, seguida da descrição e discussão de dois casos clínicos acompanhados no estágio. A Leishmaniose é uma zoonose endémica em Portugal provocada por Leishmania infantum e transmitida por flebótomos. O principal hospedeiro é o cão, no qual se pode desenvolver uma doença multissistémica com sintomatologia variada e de diagnóstico complexo. O tratamento tem como objetivo a remissão dos sinais clínicos e controlo da infeção, no entanto não é possível obter uma cura parasitológica. É essencial adotar medidas preventivas e de imunoprofilaxia para reduzir a incidência desta doença; - Abstract: Canine Leishmaniasis The present report follows the curricular internship of the Integrated Master's Degree in Veterinary Medicine at the University of Évora, held at the Vetbeirão Veterinary Clinic, focusing on small animal clinical practice and surgery. The first part of this report describes the activities and caseload followed during the internship. The second part consists of a literature review on "Canine Leishmaniasis" followed by the description and discussion of two clinical cases observed during the internship. Leishmaniasis is a zoonosis endemic in Portugal caused by Leishmania infantum and transmitted by sandflies. The main host is the dog, in which a multisystemic disease with varied symptoms and complex diagnosis may develop. The treatment aims to reduce clinical signs and control the infection; however, it is not possible to achieve parasitological cure. It is essential to adopt preventive and immunoprophylactic measures to reduce the incidence of this disease.