A complicated case of concurrent canine babesiosis and canine ehrlichiosis

Canine babesiosis and canine ehrlichiosis are the major tick-borne diseases throughout the world. The concurrent infection between canine babesiosis and canine ehrlichiosis can occur in endemic regions. This report showed the clinical pathology and treatment outcome of concurrent infection in a dog admitted to a veterinary hospital. Based on the history, physical examination, and laboratory finding, the dog was diagnosed with neurological disorders induced by babesiosis and ehrlichiosis concurrent infection. The dog presented with moderate normocytic normochromic anemia, severe thrombocytopenia and moderately increased alkaline phosphatase. The symptoms were more complicated with high fever, seizure, and cardiopulmonary arrest. The condition was specifically treated with doxycycline and diminazene aceturate, but the dog died 2 days after admission. In conclusion, concurrent infection of canine babesiosis and canine ehrlichiosis can cause complicated clinical neurological compromise and result in mortality in dogs.