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Why is my senior dog having seizures and what should I do?

Updated On September 23rd, 2025

My dog has seizures, I don’t know if this could be a contributing factor or not but I felt the need to mention it. He is 15. What does this mean?

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on August 5th, 2018

This does look like a mass that should be removed as it looks raw and is a perfect host for a bacterial infection. Please have your veterinarian examin this mass. There likely is no connection between this mass and your dog's seizures. Young dogs sometimes suffer from what we call idiopathic seizures (cause unknown) and older dogs that have never had a seizure before, can suffer from a brain tumor causing seizures. You should keep a diary of the seizures: situation that triggers it, time start, time ends, what the seizure looks like. If the seizure lasts more than 4-5 minutes your dog needs to see a vet right away, as this can cause hyperthermia and damage the brain. If you can you should take a little video of one such seizure to take with you to the vet and show him. Please make an appointment with your vet for an exam. He may want to put himi on anti-seizure medication such as phenobarbital.

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