Lyme disease is caused by a spirochete, Borrelia burgdorferi. A spirochete is a type of bacterium. Lyme disease is transmitted to dogs through the bite of a tick. Once in the blood stream, the Lyme disease organism is carried to many parts of the body and is likely to localize in joints.
encephalopathy is a general term describing a disease that affects the function or structure of your brain there are many types of encephalopathy and brain disease some types are permanent and some are temporary
Toxic encephalopathy is a general term used to describe any sort of cerebral damage that comes from the use of or exposure to toxic compounds, chemicals or metals. This damage is sometimes reparable, but in cases in which the damage persists, the risk for development of degenerative dementia skyrockets.