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Seizures

Image of dog laying down on the floor.

Seizures are common in dogs, but more unusual in cats. Seizures are just symptoms which can occur with many kinds of diseases. They can happen because of diseases outside the brain or inside the brain. Low blood sugar that can happen with an overdose of insulin or with a tumor of the pancreas can cause seizures. They can happen with diseases of the liver or kidneys. Ingestion of toxins such as snail bait can cause seizures. Lesions of the brain such as tumors, abscesses, granulomas, infections, or inflammatory diseases can cause seizures. Epilepsy may cause seizures.

Seizures most commonly last for a few seconds to a couple minutes. Grand mal seizures cause the head to go back and the legs stiffen with rhythmic jerking. The pet is usually unconscious. Smaller partial seizures may be more difficult to recognize, but you should be suspicious of any repetitive rhythmic movements. After the seizure, the pet usually enters the post ictal phase where it is dazed, lethargic, and not able to walk normally. This phase may last for minutes, hours, or days. A pet may have one seizure, and never have another, but most commonly they do recur.

Testing should be done to try to determine the cause of the seizures. Blood testing, urinalysis, and liver function tests are commonly done. An MRI of the brain or a spinal tap may also be needed.

Intravenous medication can be given by a veterinarian to stop a seizure. If the seizures become too frequent, usually any more than every four to six weeks, anti- convulsant medication can be given to try to reduce future seizures. Anti-convulsant medicine does not guarantee a pet will never have another seizure, but it tends to make the seizures shorter in duration and less frequent. Phenobarbitol is the most common anti-convulsant medicine prescribed. When a dog first starts on this medicine, it will act like it is drunk for the first week or so, until it becomes accustomed to the drug. Phenobarbitol is given twice daily, and once it is started, it is usually given for the life of the pet.

Potassium bromide is the second most common anti-convulsant prescribed. It is available only at special compounding pharmacies. It is usually formulated into a liquid. It can be administered to the dog by squirting it onto a piece of bread that is fed to the dog once daily. Potassium bromide can be toxic to people, therefore, it is advised to wear gloves when handling this drug.

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  • "Dr. Diamond,

    Your compassion and kindness to our "Star" was greatly appreciated."
    Sincerely, Rose Kush
  • "Dr. Diamond,

    I know that I always tell you how wonderful you are to "Nala" and I. But just by the amount of patients you have tells me that other clients feel the same way! You never make us feel like you are rushed. You make sure that we know you care for each and every pet. I have raised many dogs and went to many vets in my lifetime. But never had such a wonderful vet as you. It is very hard to compare any vet to you, because you my friend, are in a class of your own! God bless you, Dr. Diamond. Thank you soooo much for caring about us."
    Sincerely, Michelle & "Nala"
  • "Dear Dr. Diamond and all of your wonderful pet angels,

    I was touched to receive your beautiful card and you all wrote messages! That is incredibly special.As you all are. I am so grateful for your loving expertise with caring for all our dogs, but especially Spike. He lived longer and better thanks to your care. May 28th was a shockingly sad day but I just kept focusing then and now on your kindness and gentleness."
    Rosemari and all the family
  • "Dr Diamond,

    Glen and I are so thankful to you and your wonderful staff for taking such good care of our sweet lil' Brin. Your kindness and gentle treatment of her while she was feeling poorly and trying so hard to recover means more to us than you could imagine. Thank you so much.

    Thank you, your thoughtfulness is appreciated,"
    The Cotten Family