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Exercise-induced Seizures in Dogs

Author: Dr. med. vet. Gisa Löwe | Last modified: 17.02.2026

When to visit the vet?

Urgent see a veterinarian within 24 hours

RED for collapse/syncope, respiratory distress, cyanosis, severe overheating (hyperthermia), uncontrollable shaking/seizures, bleeding, or if the dog does not recover after a short rest.

Unsure about what’s wrong with your pet? Feel free to use our Symptom Checker for more clarity

Definition

Exercise-induced seizures in dogs are involuntary, painful muscle contractions that occur when the dog undertakes only minor physical exertion.

Can Occur with the Following Diseases:

Polyneuropathy (Nerve Disorder of Several Motor Nerves)

Basics and possible causes

Seizures in dogs can be caused by a variety of factors, ranging from muscle diseases to neurological disorders. One of the most common causes is a disrupted electrolyte balanceThe electrolyte balance refers to the balance of electrolytes in the body, which is essential for many physiological processes. Disturbances in the electrolyte balance can lead to serious health problems. in the body, particularly an imbalanceImbalance refers to an imbalance or disruption of normal function or composition in the body, which can lead to health problems. of calciumCalcium is a mineral that is essential for building and maintaining strong bones and teeth. It also plays a role in blood coagulation, nerve transmission, and muscle contraction., potassiumPotassium is an essential mineral and electrolyte that is important for the function of nerves and muscles, including the heart muscle. Potassium also helps regulate fluid balance and blood pressure., and sodiumSodium is a vital electrolyte that plays a key role in regulating water balance, blood pressure, and nerve and muscle activity. Unbalanced sodium levels can lead to various health problems in dogs and cats., which are essential for normal muscle function. For example, if a dog sweats excessively or is suffering from dehydrationDehydration occurs when the body loses more fluid than it takes in. This can lead to a number of problems, including headaches, Dizziness, and in extreme cases, renal failure or Cardiovascular collapse., these minerals can be depleted, which can lead to muscle cramps.

Another cause could be a disease of the nervous system. Nerve signals that control the muscles can be disrupted by inflammatory conditions, injuries, or degenerative diseases. Conditions such as epilepsy or other neurological disorders can also lead to seizures, although these usually do not occur exclusively during physical exertion.

Certain metabolicMetabolic refers to metabolism, i.e. the entirety of chemical processes that take place in a living organism to enable life processes. Metabolic disorders can cause a variety of Diseases in Dogs and cats. disorders, such as hypoglycemiaHypoglycemia is a condition in which blood sugar levels fall below the normal range. Symptoms may include tremors, sweating, Hunger, confusion, and in severe cases, loss of consciousness. (low blood sugar), can also cause seizures. A sudden drop in blood sugar levels can affect the muscles and lead to uncontrollable contractions. This can be a problem especially for very active dogs or those with an inadequate diet.

Furthermore, structural problems within the muscles or the skeletal system, such as myopathies or osteoarthritis, can also lead to cramps. These conditions can arise from genetic factors, injuries, or age-related wear and tear, and impair the normal function of the muscles.

Typical accompanying symptoms

Stiff movements: The dog shows stiff, awkward movements, especially after physical activity or when getting up.
Expressions of pain: The dog yelps, whimpers, or shows other signs of pain when moving or bearing weight.
Muscle tremors: Visible trembling or twitching of the muscles may occur, especially in the legs or back area.
Excessive Panting: The dog pants more than usual, even with moderate or slight exertion.
Lethargy: The dog shows general lethargy and a decrease in interest in activities that he normally enjoys.
Loss of control over the limbs: The dog has difficulty coordinating his legs, which can lead to Stumbling or Falling over.

When to see a vet?

It is important to see a veterinarian at the first signs of exercise-induced seizures. If the seizures occur frequently, last longer, or are accompanied by other serious symptoms such as loss of consciousness, severe pain, or respiratoryRespiratory refers to breathing or the process of breathing. Respiratory diseases affect the respiratory tract and can impair the ability to breathe effectively. distress, the dog should be medically examined immediately.

It is particularly alarming if the seizures are accompanied by signs such as pale gums, an irregular heartbeat, or severe tremors. These could indicate more serious systemic problems that require immediate veterinary intervention.

Symptom recognition for the pet owner and veterinary diagnostic procedure

It can be difficult for the pet owner to determine the exact cause of the seizures, but observing the circumstances and the nature of the seizures is crucial. Note when the seizures occur, how long they last, and what activities preceded them. This information can give the veterinarian valuable clues.

The veterinarian will first perform a thorough physical examination and take a detailed medical historyThe medical history is the systematic collection of a patient's medical history through questioning. It includes information about previous illnesses, treatments, allergies, and lifestyle habits.. Blood tests are often the next step to rule out electrolyte imbalances, metabolicMetabolic refers to metabolism, i.e. the entirety of chemical processes that take place in a living organism to enable life processes. Metabolic disorders can cause a variety of Diseases in Dogs and cats. problems, or infectiousInfectious describes the ability of a pathogen to be transmitted from one individual to another and trigger an infection. It also refers to diseases caused by such pathogens. diseases. Imaging procedures such as X-rays or ultrasoundUltrasound refers to sound waves that are above the hearing threshold of the human ear. In medicine, ultrasound is used for diagnostic imaging procedures to visualize internal organs, tissues, and blood flow. can be used to assess the muscles and the skeletal system.

In some cases, a neurological examination or an EEG may be necessary to diagnose diseases of the nervous system. A muscle biopsyA biopsy is a medical procedure in which a small amount of tissue is removed from the body to be examined under a microscope for signs of disease. Biopsies can help diagnose cancer and other conditions. may also be considered to identify structural or inflammatory muscle diseases.

What the pet owner can do and professional therapy options

Until the veterinary examination, the dog should be kept as calm as possible to avoid further seizures. Avoid strenuous activities and ensure the dog drinks enough water to prevent dehydrationDehydration occurs when the body loses more fluid than it takes in. This can lead to a number of problems, including headaches, Dizziness, and in extreme cases, renal failure or Cardiovascular collapse..

Ensure the dog receives a balanced diet containing all necessary nutrients and electrolytesElectrolytes are minerals in the body that carry an electric charge and perform vital functions such as regulating fluid balance, acid-base balance, and nerve and muscle activity. The main electrolytes include sodium, potassium, chloride, and magnesium.. In some cases, giving electrolyte supplements can be helpful, but this should only be done after consulting with a veterinarian.

If the dog suffers from acuteAcute refers to a condition that occurs suddenly and is usually of short duration. In a medical context, it describes symptoms or illnesses that can quickly become serious and require immediate attention. seizures, try to gently calm them and place them in a comfortable position. Avoid exciting the dog, as this could worsen the situation. Keep the environment quiet and stress-free until you can seek medical help.

Outlook on current research

Research into seizures in dogs that occur even with light exertion focuses on better understanding the underlying mechanisms and developing more effective diagnostic and treatment approaches. Scientists are currently exploring the role of genetic factors and the possible neurological and muscular causes that can lead to seizures. An important finding is that some dogs are more susceptible to seizures due to genetic predispositions, particularly certain breeds where a genetic tendency toward muscle or nerve diseases has been identified.

Another focus of research is the investigation of the role of nutrition and metabolicMetabolic refers to metabolism, i.e. the entirety of chemical processes that take place in a living organism to enable life processes. Metabolic disorders can cause a variety of Diseases in Dogs and cats. disorders in the development of seizures. Some studies suggest that certain nutrient deficiencies or imbalances in the electrolyte balanceThe electrolyte balance refers to the balance of electrolytes in the body, which is essential for many physiological processes. Disturbances in the electrolyte balance can lead to serious health problems. can increase the risk of seizures. Researchers are currently investigating how dietary supplements and nutritional adjustments can help reduce or prevent the occurrence of seizures.

The development of new diagnostic techniques, including advanced imaging procedures and specific blood tests, is also an active field of research. These technologies could enable veterinarians to identify the cause of seizures in dogs more quickly and accurately, leading to more targeted treatment strategies. Furthermore, the effectiveness of various drug treatment approaches, including anticonvulsantsAnticonvulsants, also called antiepileptic drugs, are medications used to control or prevent seizures. They are used in dogs and cats with epilepsy or other conditions that cause seizures. used in humans with seizure disorders, is being continuously studied to optimize their use in dogs.

Frequently asked questions

1. What are seizures in dogs?

Seizures in dogs are involuntary muscle contractions that are often painful and can occur during or after physical activity. They can vary in duration and range from mild to severe.

2. Which dogs are most often affected by seizures?

Certain breeds, especially those with a genetic predisposition for muscle and nerve diseases, may be more susceptible to seizures. These include Labrador Retrievers, Border Collies, and Dobermans, among others.

3. What should I do if my dog has seizures during a walk?

If your dog has a seizure during a walk, you should take them to a quiet place and try to calm them down. Avoid massaging the affected muscle, as this can cause pain. If the seizures persist, see a veterinarian.

4. Can seizures in dogs be dangerous?

Yes, seizures can be dangerous, especially if they occur frequently or are accompanied by other symptoms such as weakness, loss of consciousness, or respiratory distress. In such cases, it is important to seek veterinary help quickly.

5. Are seizures in dogs always a sign of a serious illness?

Not necessarily. While seizures can sometimes indicate serious illnesses, they can also be caused by temporary factors such as overexertion, dehydration, or electrolyte imbalances. An accurate diagnosis often requires a veterinary examination.

6. What diagnostic tests are performed to determine the cause of seizures in dogs?

Veterinarians can use a combination of blood tests, neurological examinations, and imaging procedures such as X-rays or MRI scans to identify the underlying cause of seizures.

7. Are there preventive measures against seizures in dogs?

Yes, preventive measures include ensuring a balanced diet, avoiding overexertion, and providing enough water to avoid dehydration. In some cases, the veterinarian may recommend specific supplements or diets.

8. Can medications help control seizures in dogs?

Yes, in some cases, medications such as anticonvulsants can be used to control seizures. The choice of medication depends on the cause of the seizures and the dog's individual response to the therapy.

9. Can stress trigger seizures in dogs?

Yes, stress can trigger or worsen seizures in some dogs, especially when combined with physical activity. It is important to minimize stressful situations and create a calm environment.

10. How can I help my dog after a seizure?

After a seizure, you should give your dog time to recover by providing a quiet, comfortable place. Offer them water and observe them for further signs of discomfort. In case of repeated seizures or other symptoms, you should see a veterinarian.