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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.

Illustration of a dog and cat arriving for emergency veterinary care
OWNER VISUAL GUIDEBreathing difficulty, collapse, seizures, major bleeding and abnormal gum color can require immediate emergency care. This educational illustration is not a diagnostic image.

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.

01 · OVERVIEW

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.

02 · SPECIES AFFECTED

Which animals can be affected?

DogsCats

Risk factors, examination findings and management can differ between species and individual patients.

03 · CAUSES AND RISK FACTORS

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.
04 · OWNER OBSERVATIONS

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.
Use the printable symptom diary →
05 · HOW VETERINARIANS EVALUATE IT

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.
Explore the diagnostic testing library →
06 · TREATMENT OR MANAGEMENT

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.

07 · HOME CARE

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.
08 · WHAT NOT TO DO

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.
09 · PROGNOSIS AND PREVENTION

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.
10 · WHEN TO CONTACT YOUR VETERINARIAN

When should you arrange care?

  • Contact a veterinarian after any first seizure or change in an established seizure pattern.
11 · EMERGENCY WARNING SIGNS

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.
Open the emergency action guide →

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.