Tiff,

Having worked at a veterinary hospital, we used to have a dog that took phenobarbital for seizures.

Seizures are usually a sign of something neurologically out of whack.

Here are a couple of links that'll help you understand it. The most common type of seizure is grand mal seizure.

http://www-2.cs.cmu.edu/People/lowek..._epilepsy.html

http://cats.about.com/gi/dynamic/off...Fepilepsy.html

http://cats.about.com/gi/dynamic/off..._epilepsy.html

Please keep us posted on Scout.