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What causes dog seizures? Why is my dog suddenly having them?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | neutered | 2 years and 10 months old | 9 lbs

what would cause a dog to have seziers

4 Answers

Most Helpful Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on June 23rd, 2017

The most common cause would be a condition called epilepsy, which is basically seizure from an unknown origin that is treated successfully with anti seizure meds. other reasons include insulinoma (cancer) brain tumor and other neurological disorders.

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Other Answers

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    Answered By Jennifer Summerfield, DVM CPDT-KA

    Veterinarian, Certified Dog Trainer

    Published on

    There are many things that can cause a dog to have seizures. Some possible causes would include idiopathic epilepsy, meningitis, a brain tumor, hypoglycemia, a liver shunt, severe liver or kidney disease, or ingestion of something toxic. If Elvis is having seizures, I would recommend taking him to the vet right away for an exam. He will likely need blood work to help determine what is causing them and see what kind of treatment is needed.

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    Answered By Mariya Gugel, DVM

    Veterinarian

    Published on December 11th, 2017

    Triton's seizures can be caused by abnormal brain activity resulting from a brain tumor or epilepsy as well as toxin ingestion. Certain liver conditions can actually cause seizures due to the build up of natural toxins from the body. Seizures can be controlled with certain medications that can be prescribed by your veterinarian once they diagnose what is causing Triton to have seizures.

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    Answered By Laura Johnson VMD

    Veterinarian

    Published on November 20th, 2017

    Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Jett! The most common cause of a seizure in Jett's age group is Epilepsy. Other causes are: toxin exposure, metabolic conditions (liver or kidney failure), tick borne disease, granulomatous disease, low thyroid and a brain tumor. If Jett is ok, it is find to monitor him. If he has 2 seizures in a 24 hour period you need to bring him to a Vet to have blood work done and to start anti-seizure medications. It is never wrong to have an exam now if you want. I hope this helps and I wish Jett the best!

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