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Epileptic Seizures in Dogs
What are Epileptic Seizures?
Epilepsy refers to a disorder of recurring seizures. Seizures in dogs are brought on by an abnormal level of neuronal brain activity resulting in brief episodes of uncontrolled jerking movements, momentary loss of awareness and/or loss of consciousness. Seizures can occur in all dog breeds. Certain breeds are genetically predisposed to epileptic seizures, including Beagles, Belgian Tervurens, Golden Retrievers, Keeshonds and Labrador Retrievers. Left untreated, seizures may become more frequent and the severity can become life-threatening.The characterization of recurrent seizures is a neurological disorder, commonly referred to as "Epilepsy." The cause for seizures is broad, in some cases correlated with trauma, toxins, brain tumor(s), or an infection. It can also be chalked up to an issue with your dogs blood, kidney, or other key organs. Don't be discouraged if your veterinarian is unable to identify the cause, in some cases, the condition can be "idiopathic" which means there is no identifiable cause.
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Symptoms of Epileptic Seizures in Dogs
Epilepsy can begin as early as 6 months or as late as 5 years of age. A seizure can occur at any time of day while the pet is awake, resting or sleeping. On average, seizures may persist for between 30-90 seconds.
The initial “prodrome and aura” stages of a seizure may include:
- Startled or panic behavior
- Confusion
- Hiding
- Clinging to owner
The seizure or “ictal” stage may include:
- Collapse
- Stiffness
- Teeth grinding
- Vocalization
- Drooling/foaming saliva
- Kicking/paddling limbs
- Shivering/jerking movements
- Urination
- Defecation
Types
Seizures can be categorized as follows:
- Generalized – Pet falls down, loses consciousness, and becomes rigid. Breathing stops for 10-30 seconds. Pet may begin to paddle or kick, chew or grind teeth, salivate, urinate and defecate. Milder forms may not involve rigidity, kicking or loss of consciousness.
- Absence/Petit Mal – Short period of unconsciousness, may or may not collapse, blank stare. May be difficult to observe.
- Partial – One part of the body or face may twitch, move or contort. Can progress to the entire body (a generalized seizure).
- Complete Partial – Abnormal behaviors such as chewing, biting at a limb, biting the air, vocalization, hiding, vomiting, diarrhea, salivation, blindness. May last minutes to hours and may be followed by a generalized seizure.
- Cluster – Multiple seizures in a row with short periods of consciousness in between. To be considered a life-threatening emergency.
- Status – One continuous seizure lasting 30 minutes or longer (may be many small seizures with no consciousness in between). A life-threatening emergency.
Causes of Epileptic Seizures in Dogs
Epilepsy in dogs can be the result of a number of conditions including:
- Ingestion of a toxin
- Head injury
- Liver disease
- Kidney disease
- Anemia
- Stroke
- Brain tumor
- High blood glucose
- Low blood glucose
- Congenital abnormality
- Hyperthermia
- Idiopathic epilepsy (no known cause)
- Genetic predisposition
There is no identified trigger of the seizure itself. Seizures may occur during periods of excitability, rest or sleep.
Diagnosis of Epileptic Seizures in Dogs
If you feel your pet is exhibiting symptoms of epileptic seizure, you will want to schedule an appointment to bring her to the veterinarian for an examination. Video recording of the seizure activity can be helpful for the veterinarian (if possible). As seizure times are short, your pet may be over the episode by the time you reach the clinic. An examination is still important to identify the cause of the seizure and rule out any life-threatening possibilities.
Your veterinarian will need a detailed history including when the seizure occurred, how long it lasted, the behaviors of the pet during the seizure, and how many (if any) seizures have been observed in the past. Note any possible toxins the pet may have been exposed to, recent vaccinations, behavioral changes, and any recent injuries or falls.
A physical and neurologic examination will be performed. Depending on the pet’s history, a number of laboratory tests will rule out possible causes, including a complete blood cell count, blood chemistry and urinalysis. These tests will evaluate liver and kidney function and look for anemia and blood glucose levels.
Your veterinarian may order a CT scan or MRI of the brain.
If no cause of the seizure can be identified, the condition is diagnosed as primary idiopathic epilepsy (epilepsy of no known cause).
Treatment of Epileptic Seizures in Dogs
If an underlying cause of seizure is determined, the veterinarian will treat the pet according to the diagnosis. If this is your pet’s first seizure, and no cause of seizure was identified, the veterinarian will likely ask you to continue to monitor your pet for future seizures and report back if one occurs. Treatment is not begun for epilepsy until multiple seizures have occurred or are so severe that treatment is warranted.
Each single seizure is not necessarily an emergency requiring a veterinarian visit. During each seizure:
- Remain calm
- Note the time of onset
- Place your pet on the floor, on his side, away from sharp objects or furniture
- If outdoors, bring your pet in the shade to prevent hyperthermia
- Keep hands away from your pet’s mouth
- Speak quietly and gently to your pet
- Note the time the pet has recovered
- Record any specific seizure behaviors observed
Notify the veterinarian when possible to give them the date, time of onset, and duration of any seizure. This information will help the veterinarian determine the treatment protocol.
If your pet does not come out of the seizure within a few minutes or if you have other concerns for your pets safety, always visit the veterinarian.
The usual treatment for epilepsy is oral phenobarbital, potassium bromide (KBr), or Gabapentin given daily, often for life. A blood test may be required prior to beginning treatment to examine kidney and liver function. Blood tests every 2-4 weeks will determine blood concentration of the medication. The veterinarian will increase or decrease the dose as needed until an optimal treatment protocol is determined.
If a pet is having a long or severe seizure, the veterinarian may give intravenous diazepam to bring the pet out of the seizure. The veterinarian may supply you with valium to be given rectally should your pet have a seizure at home.
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Recovery of Epileptic Seizures in Dogs
Follow your veterinarian’s instructions closely. Never skip a dose of seizure medication or stop medication abruptly as this can result in severe seizures. Keep your home environment safe. Swimming can be particularly dangerous for an epileptic pet. Pets on potassium bromide may need to eat a reduced salt diet.
Blood tests for certain seizure medications including phenobarbital will need to be conducted every 2-4 weeks until a proper dose is determined and then every 6-12 months to ensure safety and effectiveness.
Treatment for epileptic seizures is not curative. It is an attempt to decrease the frequency and severity of the seizures. Once your veterinarian decides to begin treatment, it takes time and trial and error to find the correct medication dose. Follow your veterinarian's instructions closely, keep a record of seizure activity, and notify your veterinarian when seizures occur.
Epileptic Seizures Average Cost
From 16 quotes ranging from $500 - $6,000
Average Cost
$3,000
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Epileptic Seizures Questions and Advice from Veterinary Professionals
Chesapeake Bay Retriever
Kobe
1 Year
4 found this helpful
4 found this helpful
My pet has the following symptoms:
Seizures
We have a Chesapeake Bay retriever who is 1 1/2 years old. The end of March of 2018 our pup started to have seizures. Had 4 the first time and we took him to the ER Animal Hospital, they did blood work and stated it was not environmental, and suggested an MRI and Spinal Tap. He has since been on Phenobarbital, and Keppra (generic pill) now and MRI and Spinal Tap were just completed this week. He have taken him to a neurologist for animals and she also stated MRI and Spinal Tap just to rule out other items. The MRI came back normal but the Spinal Tap his WBC was 8 and the neurologist said 5 was normal. Now she wants to do some more blood testing for Tick diseases, Limes disease, Meningitis and Protozoal infection. This is getting very expensive and after his MRI and Spinal Tap, he can't walk very far and we used to walk 3 miles a day.
Currently on
Phenobarbital 60 mg 1 1/2 pills every 12 hours
Levetiracetam ER 500 mg 2 pills ever 12 hours - recently has been drooling which he usually has seizures when this occur res. Neurologist stated to give him 2 pill extra at one time during mid day for 3 days to see if this helps with drooling
We live in DFW area of Texas and is current on all his shots
June 21, 2018
Answered by Dr. Michele K. DVM
4 Recommendations
It does make sense to pursue the elevated WBC in his spinal tap, as that means it may be a treatable disease that may get worse without treatment, and better with treatment. The medications that he is on may be contributing to him not being able to walk as far, as they can be sedating.
June 21, 2018
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Australian Cattle Dog
Red
4 Years
1 found this helpful
1 found this helpful
My pet has the following symptoms:
Diarrhea
Muscle Atrophy
Seizures
Hair Loss
Limping
Fatigue
Not Playing
Whining
Sad
Weight Gain
Exercise Intolerance
hi, about a month ago our 4-5 y/o rescued blue heeler had his first cluster of seizures after 3 months without any (he had started Zonasimide and it seemed to be working). he's been on phenobarbital + zonasimide since, but the seizures are still happening every 1-2 weeks, and every time it happens they're in clusters. giving him 1 extra dose of pheno makes the clusters stop, but idk why they keep happening. he's also shedding WAY more than he used to, he's gaining weight, his poop starts out solid but by the end of the day it's liquid, he drags after 15 mins of walking (he used to be able to go for an hour no problem), and he's even more tired and apathetic than he used to be--he's always been a lazy dog and would only play when really excited, but now he won't play at all, ever. he also whines VERY often, even after we've let him outside, fed him, given him attention, etc. it's like he's constantly in pain and he looks sad all the time, and he sleeps probably 20 hours a day. also, he has severe muscle atrophy on his front right limb from past trauma, causing him to limp, but even though we walk him for at least 45 mins a day it will not get better and he won't put weight on it, but it doesn't seem to hurt him to put weight on it?
we are so distraught that something seems wrong with him, but he just had bloodwork done at the vet last week and all of his values are within the normal range. in the past they've ruled out all medical causes for the seizures besides epilepsy or a neurological issue, and his leg has been ruled as just muscle atrophy. what is wrong with him and why is he so sad? ): he acts like a senior dog but he's only 4 or 5 years and we're scared that something is underlying all these issues.
March 25, 2018
Answered by Dr. Michele K. DVM
1 Recommendations
From the things that you describe with Red, it would be a good idea to seek a referral to an internal medicine specialist. He has a number of concerning signs and problems. An internal medicine specialist will be able to further examine him, beyond screening bloodwork, and may be able to give you some insight into what might be going on, and what you might be able to do for him.
March 25, 2018
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Epileptic Seizures Average Cost
From 16 quotes ranging from $500 - $6,000
Average Cost
$3,000
Get a free pet insurance quote in less than 60 seconds!
Easily compare quotes from the most trusted pet insurance companies in the United States.
