There are no positive diagnostic findings that will substantiate the diagnosis. It is a case of ruling out every other possibility. The first seizure in a dog with primary epilepsy usually occurs between the ages of 6 months and 5 years.
Secondary epilepsy refers to seizures for which a cause can be determined, and there are many.
In dogs 1-3 years of age, a genetic factor is most highly suspected. In dogs 1-3 years of age, a genetic factor is most highly suspected.