My 8 year old shihtzu started screaming on Saturday, followed by muscle spasms in her neck. We were told by our vet that she had a seizure and most likely has a brain tumour. She’s said it’s up to us if we do an MRI as it won’t affect the treatment p
In my opinion, it is a long shot to diagnose brain tumor based on one episode like that. First of all, it should be established if the episode was a seizure or not (it could have been a muscle spasm or a bout of neck pain, maybe ?). I assume that neurological examination at the time of your visit at your vet was all ok. If Sookie has another similar episode, ideally you should record a video of that and play it back to your vet. It will help to establish if this is a seizure or not. Even if the episode was an epileptic seizure it is not necessary because of brain tumor. Problems like blood clot in the brain vessel, bleeding from a brain vessel, inflammation of the brain, infection or even diseases distant from the brain (for example diabetes, heart diseases) can result in seizure-like episodes. So, the best approach for confirmed seizure is to run blood test first to rule out diabetes, drop in blood glucose level, liver/kidney function etc. If the results are negative AND your dog is
Updated on September 24th, 2025