Neurological · Updated 2026-09-29
Epilepsy in dogs
Recurrent seizures, usually starting between six months and six years of age; often well controlled with medication.
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Signs to watch for
- Collapse with paddling legs
- Jaw chomping and drooling
- Loss of bladder control during a seizure
- Confusion or blindness afterwards
- Focal twitching of one area
Causes and risk factors
Idiopathic (inherited) epilepsy is most common; brain disease, toxins and metabolic problems must be ruled out.
How veterinarians diagnose it
Blood tests to exclude other causes; MRI and spinal fluid analysis in some dogs.
Treatment and management
Daily anti-seizure medication when seizures are frequent or severe, with blood monitoring. An emergency rescue plan for clusters.
Prevention
Not preventable; responsible breeding reduces inherited cases.
Outlook
Many dogs achieve good control and a normal lifespan.
Common questions
- What are the signs of epilepsy in dogs?
- Collapse with paddling legs; Jaw chomping and drooling; Loss of bladder control during a seizure; Confusion or blindness afterwards; Focal twitching of one area.
- What causes epilepsy in dogs?
- Idiopathic (inherited) epilepsy is most common; brain disease, toxins and metabolic problems must be ruled out.
- How is epilepsy in dogs diagnosed?
- Blood tests to exclude other causes; MRI and spinal fluid analysis in some dogs.
- How is epilepsy in dogs treated?
- Daily anti-seizure medication when seizures are frequent or severe, with blood monitoring. An emergency rescue plan for clusters.
- Can epilepsy in dogs be prevented?
- Not preventable; responsible breeding reduces inherited cases.
- When should I contact a veterinarian?
- A seizure lasting over five minutes, or several in a row, is an emergency. Keep hands away from the mouth and time the episode.
Preparing for a epilepsy in dogs consultation
- Record when these signs began and how they changed: Collapse with paddling legs; Jaw chomping and drooling; Loss of bladder control during a seizure. Record appetite, water intake, toileting and any medicines or supplements.
- The listed urgency is urgent; worsening breathing, collapse, seizures or severe pain can make any situation an emergency. Ask the clinic rather than relying only on this category.
- Ask what else could explain the signs, which tests would change the plan and how discomfort will be managed. Symptoms alone cannot confirm this condition.
- Before going home, agree what to monitor, when to recheck and which signs mean calling sooner. Follow the individual treatment plan; do not copy another pet's prescription.
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Sources on this topic
Pages on this specific subject from recognised organisations. They are cited for further reading and do not mean the organisation has reviewed this page.
- Epilepsy in Dogs — VCA Animal Hospitals
Guidance libraries and further reading
These organisations publish relevant guidance. Their links are further reading, not evidence that they have reviewed this page.