DOGS AND CATS · OWNER EDUCATION
Seizure Disorders
Seizures can result from epilepsy, toxins, metabolic problems, brain disease or other causes and require careful veterinary assessment.

THE SHORT VERSION
Understanding supports better veterinary conversations.
A seizure is an event, not a complete diagnosis. Veterinarians consider age, exposure history, physical findings, laboratory testing and the characteristics of the episode.
What is this condition?
A seizure is an event, not a complete diagnosis. Veterinarians consider age, exposure history, physical findings, laboratory testing and the characteristics of the episode.
Which animals can be affected?
Risk factors, examination findings and management can differ between species and individual patients.
Why can it happen?
- Primary seizure disorders or epilepsy.
- Low blood sugar, organ dysfunction, electrolyte abnormalities or toxic exposures.
- Inflammatory, structural, infectious or other brain-related disease.
What might an owner notice?
- Stiffening, paddling, twitching, loss of awareness or unusual repetitive behavior.
- Confusion, temporary blindness, restlessness or sleepiness after an episode.
- Cluster episodes or prolonged seizure activity in severe situations.
How is the problem investigated?
- Detailed event history or a safe video, physical and neurologic examination.
- Complete blood count, chemistry panel and electrolyte testing.
- Advanced imaging or specialist referral when clinical findings justify it.
What might treatment involve?
- Immediate stabilization and emergency seizure control when needed.
- Veterinarian-selected long-term antiseizure medication for appropriate cases.
- Investigation and treatment of a reversible toxic, metabolic or structural cause.
This is an overview, not a prescription or a recommendation for a specific individual animal.
What can owners do at home?
- Time the event and move objects away without placing your hands near the animal’s mouth.
- Maintain a seizure and medication log.
- Follow the prescribed emergency plan and do not miss or stop medication abruptly.
Avoid actions that could make care less safe.
- Do not put fingers or objects in the mouth or attempt to restrain the animal.
- Do not give oral medication or water to an actively seizing or unresponsive animal.
- Do not give human medications, leftover prescriptions or supplements without veterinary approval.
- Do not stop, increase, decrease or double prescribed medication without contacting your veterinary team.
- Do not delay assessment if symptoms are worsening, the animal stops eating or an emergency sign appears.
What can the longer-term outlook involve?
The outlook depends on the underlying cause, episode frequency, response to treatment and whether emergency complications occur.
Can risk be reduced?
- Avoid known toxins and follow prescribed medication schedules.
- Maintain follow-up laboratory monitoring when the veterinary team recommends it.
When should you arrange care?
- Contact a veterinarian after any first seizure or change in an established seizure pattern.
Seek emergency veterinary care if you notice:
SEEK EMERGENCY VETERINARY CARE- A seizure lasting about five minutes, repeated seizures, incomplete recovery, breathing difficulty or suspected toxin exposure.
Sources behind this guide
American Animal Hospital Association veterinary guidelinesPrimary veterinary or veterinary-university guidance ↗Cornell University College of Veterinary Medicine: feline health topicsPrimary veterinary or veterinary-university guidance ↗Content last reviewed: August 23, 2026. Review status: veterinary-informed; independent veterinarian review not yet completed.