Rage Incidents of unexplained aggression toward human members of its own family by a dog which usually behaves normally may signify rage. A Bull Terrier with rage is an extremely frightening and dangerous dog. The episodes are usually unpredictable. Rage is presently considered to be another seizure-type disorder. Some of the severe spinners develop rage-like symptoms as the spinning becomes worse.
Prognosis is poor.
It is important not to confuse dominance aggression with rage. Whereas dominance aggression is a behavioral problem which can often be overcome by correct training and proper handling, rage is apparently a neurological disfunction which does not seem to respond to training. A few Bull Terriers develop grand mal type epileptic seizures. If a dog has the form of epilepsy which seems to be inherited, seizures usually begin between the ages of 6 to 18 months. Although the seizures may be controlled somewhat by medication, the prognosis is not good.