What causes repeated seizures in dogs?

Q: What causes repeated seizures in dogs?

Repeated seizures in dogs are most commonly caused by **idiopathic epilepsy**, a condition with no identifiable underlying cause. Genetics also play a significant role, with certain breeds—including Beagles, Labrador Retrievers, German Shepherds, and Border Collies—being predisposed to seizure disorders. Other potential triggers include metabolic issues, toxin exposure, or brain abnormalities, but idiopathic and inherited epilepsy remain the leading explanations for recurring seizures in dogs. If your dog is experiencing repeated seizures, understanding the possible cause early can make a critical difference in treatment outcomes. Take a free, instant, online symptom check to help identify potential conditions and confidently plan your next steps with your veterinarian. Reviewed for medical accuracy: 07/20/2026

Reviewed by Yoshinori Abe, MD

Internal Medicine

Repeated seizures in dogs are most commonly caused by idiopathic epilepsy, a condition with no identifiable underlying cause. Genetics also play a significant role, with certain breeds—including Beagles, Labrador Retrievers, German Shepherds, and Border Collies—being predisposed to seizure disorders. Other potential triggers include metabolic issues, toxin exposure, or brain abnormalities, but idiopathic and inherited epilepsy remain the leading explanations for recurring seizures in dogs.

If your dog is experiencing repeated seizures, understanding the possible cause early can make a critical difference in treatment outcomes. Take a free, instant, online symptom check to help identify potential conditions and confidently plan your next steps with your veterinarian.

Reviewed for medical accuracy: 07/20/2026

Important Next Steps

Learn what may be causing repeated seizures Discover if seizures need urgent care See if it could be a serious condition Find OTC options for seizure-related symptoms Find a veterinarian for seizure evaluation Understand safe home care for seizures Find likely causes of repeated seizures

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Explanation

Seizures in dogs can occur for different reasons. One common cause is idiopathic epilepsy, where the exact reason for the seizures is not known. This condition is often diagnosed when other causes have been ruled out. Dogs with idiopathic epilepsy may have a normal life span, but they will need regular care to manage their seizures.

Another factor that can lead to repeated seizures in dogs is genetics. Some breeds, like the Belgian Tervuren, are more likely to have epilepsy because it can be passed down from their parents. This means that if a dog has a family history of epilepsy, they may be more likely to have seizures themselves.

To find out why a dog is having seizures, veterinarians may perform tests, including analyzing the dog's cerebrospinal fluid. This can help rule out other causes like infections or brain diseases. If you're concerned about symptoms you're experiencing, you can check your symptoms to better understand potential causes before consulting with a healthcare professional. Once the cause is known, the right treatment can be started to help control the seizures.

(References)

Thomas WB. (2000). Idiopathic epilepsy in dogs. The Veterinary clinics of North America. Small animal practice, 10680215.
Gilbert SE, Cardy TJ, Bertram S, & Taylor-Brown F. (2021). Diagnostic utility of cerebrospinal fluid analysis in dogs .... Australian veterinary journal, 32893907.
Oberbauer AM, Grossman DI, Irion DN, Schaffer AL, Eggleston ML, & Famula TR. (2003). The genetics of epilepsy in the Belgian tervuren and .... The Journal of heredity, 12692163.

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