A seizure or convulsion is a sudden excessive firing of nerves in the brain. It results in a series of involuntary contractions of the voluntary muscles, abnormal sensations, abnormal behaviors, or some combination of these events. A seizure can last from seconds to minutes.
Seizures can occur for a variety of reasons including
Always call or see your veterinarian if you witness your dog having a seizure.
For more information, please read Seizure Disorders in Dogs.