[lillymae]

Good link Ladymom. Also unfortunately yorkies are at risk for a congenital defect that causes hydrocephalus. Most commonly found in the King Charles, but due to bad breeding and back yard breeders. Basically people who do not know what are doing and only in it for the money, we are seeing this more and more in yorkies. It is a deformity at the base of the skull it's very similar to( Chiari Syndrome ) in people. And this little dogs symptoms are some of the same. The seizures upon excitment, spinal fliud speeds up, goes into the brain faster then it can come out.