Epileptiform Seizures in Dogs
When to visit the vet?
Urgent see a veterinarian within 24 hours
RED if seizure >5 minutes, cluster seizures, no recovery between seizures, hyperthermia, breathing problems, injuries, or a first-time seizure with severe impairment.
Unsure about what’s wrong with your pet? Feel free to use our Symptom Checker for more clarity
Definition
Epilepsy-like seizures in dogs, also known as epileptiform seizures, are sudden, uncontrolled electrical discharges in the brain that can lead to a wide range of physical symptoms. They typically present as convulsions, loss of consciousness, or abnormal behavior.
Can Occur with the Following Diseases:
- Fluid-Filled Cavities in the Spinal Cord in Dogs (Syringomyelia and Chiari-Like Malformation)
- Progressive Neurodegenerative Brain Disease in Dogs (Neuroaxonal Dystrophy)
- Pug Dog Encephal Inflammation in Dogs (Pug Dog Encephalitis)
- Microsporidi Infection in Dogs (Microsporidiosis)
- Inflammation of the Brain, Spinal Cord, and Coverings in Dogs (Meningoencephalomyelitis)
- Benign Tumor of the Brain and Spinal Cord Coverings in Dogs (Meningioma)
- Brain Dysfunction from Liver Disease in Dogs (Hepatic Encephalopathy)
- High Blood Viscosity in Dogs (Hyperviscosity Syndrome)
- Cryptococc Infection in Dogs (Cryptococcosis)
- Deep Unconsciousness in Dogs (Coma)
- Nasal Cartilage Cancer in Dogs (Nasal Chondrosarcoma)
- Chronic Hepat Inflammation in Dogs (Chronic Hepatitis)
- Complex Congenital Heart Defect in Dogs (Tetralogy of Fallot)
- Tick-Borne Encephal Inflammation in Dogs (Tick-Borne Encephalitis, TBE)
- Nasal Soft Tissue Cancer in Dogs (Nasal Fibrosarcoma)
- Glycogen Storage Disease in Dogs (Glycogenosis)
- Krabbe Disease in Dogs (Globoid Cell Leukodystrophy, GLD)
- Hepatozoon Infection in Dogs (Hepatozoonosis)
- Infectious Canine Hepatitis Inflammation in Dogs (Canine Adenovirus-1 Infection, CAV-1)
- High Blood Lipids in Dogs (Hyperlipidemia)
- Heat Stroke in Dogs (Hyperthermia)
- Poor Nerve Insulation in Dogs (Hypomyelination)
- Anticoagulant Rodenticide Poisoning in Dogs (Coumarin Rodenticide Toxicity)
- Progressive Kidney Failure in Dogs (Chronic Kidney Disease, CKD)
- Systemic Hypertension in Dogs (Arterial Hypertension)
- Canine Distemper in Dogs (Canine Distemper Virus Infection)
Basics and possible causes
Epilepsy-like seizures in dogs can be attributed to a variety of causes. Essentially, they are the result of a dysfunction in neuronal activity in the brain. This dysfunction may be idiopathic, meaning it occurs without an identifiable cause, or it may be symptomatic, meaning it is the result of another condition or trauma.
Idiopathic epilepsy is the most common form of epileptic seizures in dogs and often affects young to middle-aged animals. This form of epilepsy is often considered genetic, with certain breeds such as the German Shepherd, Beagle, and Labrador Retriever being more susceptible.
Symptomatic seizures can be triggered by a variety of factors, including infections (such as distemper or toxoplasmosis), metabolic disorders (such as hypoglycemia or liver disease), poisoning (from substances such as chocolate or certain plants), or structural abnormalities in the brain (such as Tumors or hydrocephalus).
In addition, environmental factors such as stress or sudden changes in a dog’s routine can also act as triggers for seizures. Age also plays a role, as older dogs are more likely to suffer seizures due to Tumors or degenerative diseases.
Typical accompanying symptoms
- Muscle spasms: Sudden and uncontrollable muscle movements that can occur in the form of twitching or seizures.
- Loss of consciousness: The dog may lose consciousness during a seizure, which can manifest as a fixed gaze or complete absence.
- Salivation: Excessive drooling or foaming from the mouth may occur during a seizure.
- Behavioral changes: Before or after a seizure, the dog may exhibit unusual behavior, such as disorientation, confusion, or increased clinginess or attachment.
- Urination or defecation: incontinence can occur during a seizure, meaning the dog passes urine or stool uncontrollably.
- Panting or Shortness of breath: Some dogs exhibit noticeable breathing patterns during a seizure, including excessive panting or shortness of breath.
When to see a vet?
It is important for pet owners to consult a veterinarian immediately at the first signs of a seizure. Even if the seizure stops on its own, a veterinary examination is necessary to determine the underlying cause and take appropriate measures.
A visit to the doctor is particularly urgent if seizures last longer than five minutes or recur at short intervals, as this may be a sign of a life-threatening condition called status epilepticus.
If the dog does not fully regain consciousness after a seizure or shows other neurological symptoms, a veterinarian should also be consulted immediately.
Even if the seizures only occur occasionally, it is advisable to seek veterinary advice to avoid long-term damage and improve the dog’s quality of life.
Symptom recognition for the pet owner and veterinary diagnostic procedure
Recognizing epileptiform seizures as a pet owner can be challenging, as symptoms can be varied and sometimes subtle. It helps to document the dog’s behavior during a seizure—ideally with video recordings—to show your veterinarian.
The veterinarian will take a thorough medical history and may also order neurological examinations and blood tests to rule out metabolic disorders or infections. Imaging procedures such as MRI or CT may be required to identify structural abnormalities in the brain.
In some cases, an EEG (electroencephalogram) may also be performed to monitor electrical activity in the brain. This helps determine the type of seizures more precisely and develop an appropriate treatment strategy.
Comprehensive diagnostics are crucial to distinguish between idiopathic and symptomatic epilepsy and to be able to take targeted therapeutic measures.
What the pet owner can do and professional therapy options
During a seizure, you should stay calm and protect your dog from injury by removing dangerous objects from the surroundings. It is important not to hold your dog during the seizure or try to put anything in its mouth, as this can lead to injuries.
After the seizure, your dog should be monitored in a quiet, safe space until fully recovered. It may help to provide soft blankets or cushions for comfort.
In the long term, drug treatment prescribed by the veterinarian may be necessary to reduce the frequency and severity of seizures. It is important to administer the prescribed medications exactly as directed and to attend regular veterinary check-ups.
In addition, lifestyle adjustments for your dog—such as a low-stress environment or special diets—can be supportive. Always watch for changes in your dog’s behavior and consult your veterinarian if you are unsure.
Outlook on current research
Current research on epileptiform seizures in dogs focuses on genetic factors and possible triggers, as well as the development of new treatment methods. A major advance in genetic research is the identification of specific genes that are associated with an increased predisposition to seizures in certain dog breeds. This research aims to develop genetic tests that could enable early diagnosis and intervention.
Another area of research examines the role of environmental factors and lifestyle as potential triggers for epileptiform seizures. Scientists are analyzing how stress, diet, and physical activity affect the frequency and severity of seizures. Initial results suggest that a low-stress environment and a specially tailored diet could reduce seizure frequency.
In parallel, intensive research is being conducted into the development of new medications and therapy approaches. Some studies are investigating the use of cannabinoids and their effectiveness in controlling seizures. Other research focuses on innovative approaches such as gene therapy to directly address the underlying genetic causes. These approaches are still in the early stages but are showing promising results in preclinical studies.
In addition to drug treatment, veterinary medicine is increasingly turning to alternative therapies such as acupuncture and physiotherapy measures. These methods are being studied to determine whether they can improve the quality of life of dogs with epileptiform seizures as complementary therapies. Earlier reports suggest that such approaches may reduce seizure frequency and improve overall well-being in some dogs.
Research into epileptiform seizures in dogs is a dynamic field that benefits from interdisciplinary approaches. By combining genetics, pharmacology, and alternative therapies, scientists hope to develop more comprehensive and effective treatment protocols tailored to the individual needs of affected dogs.