Watching your dog have a seizure can be frightening, especially if you've never seen one before. Most individual seizures stop on their own within a few minutes, but knowing what to do can help keep your dog safe and tell you when emergency veterinary treatment is necessary.
If your dog has a seizure, move dangerous objects away, keep them away from stairs, don't restrain them or put anything in their mouth, and time the seizure. Contact your veterinarian after the seizure, even if your dog appears to recover normally. A seizure lasting 5 minutes or longer is a medical emergency and requires immediate veterinary treatment.
Multiple seizures occurring close together can also become an emergency. If you're unsure about the severity of your dog's seizure, contact your veterinarian or an emergency veterinary hospital.
What Should You Do If Your Dog Has a Seizure?
If your dog starts having a seizure, focus on preventing injury and tracking what happens rather than trying to stop the seizure yourself.
Follow these steps:
- Stay as calm as possible. Most seizures look alarming but end on their own.
- Start timing the seizure. Use your phone or look at a clock as soon as you notice seizure activity.
- Clear the surrounding area. Move furniture and other objects your dog could hit.
- Keep your dog away from stairs. Block access rather than trying to pick up or restrain your dog.
- Don't put your hands near your dog's mouth. Your dog won't swallow their tongue, and involuntary jaw movements could cause a serious bite.
- Don't try to restrain your dog. Allow the seizure to run its course while keeping the environment safe.
- Reduce stimulation. Keep other pets and people away and make the room quieter and darker if you can safely do so.
- Record a video if possible. A video can help your veterinarian determine what type of episode occurred.
- Call your veterinarian after the seizure. A first seizure should be medically evaluated even if your dog appears normal afterward.
If the seizure reaches 5 minutes, don't continue waiting for it to stop. Seek emergency veterinary treatment.
What Should You NOT Do When a Dog Is Having a Seizure?
Knowing what not to do is just as important.
Never put your hand, fingers, a spoon or another object into your dog's mouth during a seizure. Dogs cannot swallow their tongues.
You should also avoid:
- Holding your dog down
- Trying to stop their legs from paddling
- Shouting at them
- Shaking them
- Spraying them with water
- Trying to give food or water
- Giving oral medication during active convulsions unless your veterinarian has specifically provided a safe seizure rescue protocol
Your dog isn't consciously controlling their movements during a generalized seizure. Trying to restrain or "wake" them won't stop the electrical activity occurring in the brain and could injure you or your dog.
How Long Do Seizures Last in Dogs?
Most self-limiting seizures in dogs are brief and last less than 5 minutes. A seizure that continues for 5 minutes or longer should be treated as a veterinary emergency.
Veterinary neurologists use the term status epilepticus for prolonged seizure activity. Current ACVIM consensus recommendations use the 5-minute threshold because a seizure continuing beyond that point is increasingly unlikely to stop normally and carries greater risk of complications.
Timing matters because a seizure can feel much longer than it actually is when you're watching it happen.
Start a timer as soon as you recognize the seizure rather than estimating afterward.
When Is a Dog Seizure an Emergency?
Seek emergency veterinary care if your dog's seizure lasts 5 minutes or longer, seizures occur repeatedly without normal recovery between them, or your dog experiences multiple seizures within a short period.
Emergency treatment may also be appropriate if:
- This is your dog's first seizure and recovery isn't progressing normally
- Your dog has difficulty breathing
- Your dog was exposed to a possible toxin
- Your dog was recently injured
- Your dog remains severely disoriented
- Another seizure begins before your dog has recovered
- Your dog has multiple seizures within 24 hours
- Your dog develops an unusually high body temperature
Prolonged and repeated seizures can cause serious neurological and systemic complications. Current ACVIM guidance emphasizes rapid treatment because seizure emergencies can become increasingly difficult to control as they continue.
What Are Cluster Seizures in Dogs?
Cluster seizures are multiple separate seizures occurring within a relatively short period, commonly defined in veterinary neurology as more than two self-limiting seizures within 24 hours.
Your dog may appear to recover between episodes and then have another seizure hours later.
That doesn't make the situation harmless.
Cluster seizures can progress to status epilepticus and may require rescue medication or hospitalization. Contact a veterinarian promptly if your dog begins having repeated seizures, even if each individual seizure is short.
Dogs with a known history of cluster seizures may have a veterinarian-prescribed emergency plan involving rescue medication. Only use these medications according to the instructions provided for your dog.
What Does a Dog Seizure Look Like?
Not every seizure looks the same.
A generalized seizure can cause dramatic whole-body symptoms such as:
- Falling onto the side
- Stiffening
- Paddling of the legs
- Jerking or twitching
- Jaw movements
- Drooling
- Loss of awareness
- Urination or defecation
But dogs can also experience focal seizures, which involve only part of the brain and may produce much subtler signs.
A focal seizure might cause:
- Repeated facial twitching
- Rhythmic movement of one limb
- Unusual jaw movements
- Sudden behavioral changes
- Staring
- Repetitive movements
This is one reason recording the episode can be so useful. What looks like a seizure to an owner can sometimes be another type of medical event.
What Should You Do After Your Dog Has a Seizure?
Once the seizure stops, your dog enters what is known as the postictal period.
Keep your dog somewhere quiet and safe while they recover, and contact your veterinarian for guidance.
During this period, your dog may seem:
- Confused
- Restless
- Unsteady
- Extremely tired
- Hungry or thirsty
- Temporarily disoriented
- Clingy
- Anxious
- Less responsive to normal cues
Some dogs begin pacing around the house or bumping into objects.
Keep stairs blocked and remove obstacles until your dog is walking and behaving normally again.
Don't immediately crowd your dog. Confusion can cause even a normally gentle pet to react unpredictably.
Once your dog is alert and able to swallow normally, you can offer small amounts of water.
How Long Does It Take a Dog to Recover From a Seizure?
Recovery varies considerably.
Some dogs return to normal relatively quickly, while others remain confused, restless, tired or disoriented for hours after a seizure.
The length of the postictal period can depend on the seizure itself and the individual dog.
Pay attention to whether your dog is progressively returning to normal.
Persistent severe disorientation, neurological abnormalities, breathing problems or another seizure before complete recovery warrant immediate veterinary attention.
What Should You Do If It's Your Dog's First Seizure?
If your dog has a first seizure that stops on its own, keep them safe during recovery and contact your veterinarian to arrange an evaluation.
One seizure doesn't automatically mean your dog has epilepsy.
Your veterinarian needs to determine whether the event was actually a seizure and investigate potential underlying causes.
Write down:
- The date and time
- How long the seizure lasted
- What your dog was doing beforehand
- What happened first
- Which parts of the body were affected
- Whether your dog lost consciousness
- Whether urination or defecation occurred
- How your dog behaved afterward
- How long recovery took
If you recorded a video, show it to your veterinarian.
That information can be extremely valuable when determining what happened.
Does One Seizure Mean My Dog Has Epilepsy?
No. A single seizure doesn't necessarily mean your dog has epilepsy.
Epilepsy refers to a predisposition toward recurrent seizures rather than one isolated event.
A seizure is a symptom of abnormal electrical activity in the brain. Many different conditions can potentially cause that activity.
Your veterinarian therefore considers your dog's age, medical history, physical examination, neurological findings and diagnostic testing before determining the likely cause.
What Causes Seizures in Dogs?
Dog seizures can broadly result from problems inside the brain, elsewhere in the body or from epilepsy where another underlying cause isn't identified through routine evaluation.
Potential causes include:
Idiopathic Epilepsy
Idiopathic epilepsy is an important cause of recurrent seizures in dogs, particularly when seizures begin in younger to middle-aged dogs and diagnostic testing doesn't reveal another underlying disease.
Genetics can contribute to epilepsy in certain breeds.
Toxins
Several substances can trigger seizures in dogs.
Potential examples include:
- Xylitol
- Chocolate or caffeine
- Certain human medications
- Some pesticides
- Illicit drugs
- Toxic plants or chemicals
If you think your dog may have eaten something toxic, don't wait to see whether another seizure occurs. Contact your veterinarian or an animal poison-control service immediately.
Metabolic Problems
Abnormalities elsewhere in the body can affect brain function.
Examples include:
- Low blood sugar
- Severe electrolyte abnormalities
- Liver dysfunction
- Certain kidney-related metabolic problems
Blood testing is therefore commonly part of the initial seizure investigation.
Structural Brain Disease
Diseases that directly affect the brain can also produce seizures.
Potential causes include:
- Brain tumors
- Inflammation
- Infection
- Trauma
- Vascular disease
- Congenital abnormalities
The likelihood of different causes changes depending on your dog's age, history and neurological examination.
How Will a Veterinarian Diagnose the Cause of a Dog's Seizure?
Your veterinarian will usually begin with a detailed history and physical and neurological examinations.
Initial diagnostic testing commonly includes bloodwork and other tests intended to identify metabolic or systemic problems capable of causing seizures.
Depending on the results, your dog's age and whether seizures continue, additional evaluation may include:
- Complete blood count
- Blood chemistry
- Urinalysis
- Additional metabolic testing
- Infectious disease testing
- MRI or other advanced imaging
- Cerebrospinal fluid analysis
Not every dog requires every test.
A young dog with a normal neurological examination between seizures may have a very different diagnostic plan from an older dog experiencing their first seizure alongside other neurological abnormalities.
Will My Dog Need Seizure Medication After One Seizure?
Not every dog is immediately started on long-term antiseizure medication after one brief seizure.
The decision depends on the suspected cause, seizure frequency and severity, whether your dog experiences cluster seizures or status epilepticus, and how your dog recovers.
ACVIM recommendations for initiating long-term antiseizure treatment consider factors including structural brain disease, status epilepticus, repeated seizures and severe or unusual postictal periods.
Your veterinarian weighs the benefits of reducing future seizures against the need for ongoing medication and monitoring.
What Medications Are Used for Seizures in Dogs?
Veterinarians have several antiseizure medications available for dogs.
Common long-term medications include:
- Phenobarbital
- Levetiracetam
- Potassium bromide
- Zonisamide
Dogs at risk for cluster seizures or status epilepticus may also be prescribed rescue medication to use at home under specific circumstances.
The best medication depends on your dog's seizure pattern, health, other medications and response to treatment.
Never adjust, discontinue or add seizure medication without speaking with your veterinarian. Abrupt changes in some antiseizure medications can increase the risk of additional seizures.
Can You Prevent Another Seizure?
You can't prevent every seizure, but identifying the cause and following an appropriate treatment plan can reduce the risk or frequency in many dogs.
If your dog experiences recurring seizures, one of the most useful things you can do is maintain a seizure diary.
Record:
| What to track | Why it matters |
|---|---|
| Date and time | Reveals seizure frequency |
| Duration | Identifies prolonged seizures |
| Number of seizures | Helps identify clustering |
| Behavior beforehand | May reveal recurring patterns |
| Description/video | Helps characterize the event |
| Recovery time | Tracks postictal severity |
| Medication | Helps evaluate treatment response |
| Possible exposures | May identify triggers or toxins |
Bring this information to veterinary appointments.
Patterns that are impossible to recognize from memory alone can become obvious when several months of seizures are recorded together.
Can Stress Cause Seizures in Dogs?
Stress is sometimes reported as a potential seizure trigger in dogs that are already predisposed to seizures, but stress itself doesn't explain every seizure and shouldn't be assumed to be the underlying cause of a first seizure.
If your dog experiences a seizure during a stressful event, they still need appropriate veterinary evaluation.
Don't assume anxiety was responsible simply because the seizure occurred during travel, fireworks, separation or another stressful situation.
Can Supplements Help Dogs With Seizures?
Some nutritional compounds have been studied as adjuncts to conventional epilepsy management, but supplements shouldn't replace veterinarian-prescribed antiseizure medication.
For example, research has investigated diets containing medium-chain triglycerides (MCTs) in dogs with idiopathic epilepsy. Some controlled studies have reported reductions in seizure frequency in dogs already receiving antiseizure medications.
That makes nutritional management an interesting area of veterinary epilepsy research, but it doesn't mean a supplement can stop an active seizure or replace medical treatment.
If your dog has epilepsy, discuss dietary changes and supplements like Prana Pets Nervous System Support for Dogs with your veterinarian or veterinary neurologist so they can be safely incorporated into the overall treatment plan.
When Should You See a Veterinary Neurologist?
Your primary veterinarian can evaluate many dogs after a seizure, but some cases benefit from referral to a veterinary neurologist.
A specialist evaluation may be particularly helpful when:
- Seizures continue despite treatment
- Your dog experiences cluster seizures
- Your dog has status epilepticus
- Neurological abnormalities persist between seizures
- Structural brain disease is suspected
- Advanced imaging is recommended
- The diagnosis remains unclear
Veterinary neurologists can perform advanced neurological evaluations and help develop treatment plans for difficult-to-control epilepsy.
Frequently Asked Questions
What should I do immediately if my dog has a seizure?
Start timing the seizure, remove nearby hazards and keep your dog away from stairs. Don't restrain your dog or put anything in their mouth. Reduce surrounding stimulation and record a video if you can do so safely. Contact your veterinarian after the seizure.
Should I take my dog to the vet after a seizure?
Yes. A first seizure should be evaluated by a veterinarian even if it stops quickly and your dog seems normal afterward. Seek emergency care immediately for a seizure lasting 5 minutes or longer, repeated seizures without recovery, or multiple seizures occurring close together.
Should I hold my dog during a seizure?
No. Don't restrain a dog during an active seizure. Instead, move dangerous objects out of the way and block access to stairs or other hazards. Involuntary movements can cause injuries to both you and your dog.
Can a dog swallow its tongue during a seizure?
No. Dogs don't swallow their tongues during seizures. Never put your hand or another object into your dog's mouth. Your dog may involuntarily bite down even though they aren't consciously trying to bite you.
How long is too long for a dog seizure?
A seizure lasting 5 minutes or longer is considered a veterinary emergency. Current veterinary consensus guidance uses this threshold for status epilepticus because prolonged seizures become increasingly dangerous and harder to control.
What should I do if my dog has two seizures in one day?
Contact a veterinarian promptly. Repeated seizures within a short period can progress into a seizure emergency. Current veterinary definitions generally describe cluster seizures as more than two self-limiting seizures within 24 hours, but you shouldn't wait for a third seizure before seeking veterinary advice.
Is a dog okay after having one seizure?
Some dogs recover completely after a single short seizure, but one seizure still warrants veterinary evaluation, particularly if it is the first one. A seizure can result from epilepsy, metabolic abnormalities, toxin exposure or structural brain disease.
Why is my dog pacing after a seizure?
Pacing, confusion and restlessness can occur during the postictal period as your dog's brain recovers. Keep your dog somewhere safe and quiet. Contact your veterinarian if the behavior is severe, doesn't progressively improve or another seizure occurs.
Can a dog die from a seizure?
Most short, self-limiting seizures aren't fatal. Prolonged status epilepticus and severe cluster seizures, however, can cause life-threatening complications and require emergency treatment. ACVIM reports substantial morbidity and mortality associated with status epilepticus.
What do I do if my dog has another seizure?
Use the same first-aid steps: time the seizure, protect your dog from injury and don't restrain them or put anything in their mouth. If your dog begins experiencing repeated seizures, contact a veterinarian immediately and follow any rescue-seizure plan previously provided for your dog.
References
-
Charalambous M, Muñana KR, Patterson EE, Platt SR, Volk HA. ACVIM Consensus Statement on the management of status epilepticus and cluster seizures in dogs and cats. Journal of Veterinary Internal Medicine. 2024;38(1):19-40. doi:10.1111/jvim.16928.
-
Berendt M, Farquhar RG, Mandigers PJJ, et al. International Veterinary Epilepsy Task Force consensus report on epilepsy definition, classification and terminology in companion animals. BMC Veterinary Research. 2015;11:182.
-
De Risio L, Bhatti S, Muñana K, et al. International Veterinary Epilepsy Task Force consensus proposal: diagnostic approach to epilepsy in dogs. BMC Veterinary Research. 2015;11:148.
-
Podell M, Volk HA, Berendt M, Löscher W, Muñana K, Patterson EE, Platt SR. 2015 ACVIM Small Animal Consensus Statement on seizure management in dogs. Journal of Veterinary Internal Medicine. 2016;30(2):477-490. doi:10.1111/jvim.13841.
-
Bhatti SFM, De Risio L, Muñana K, et al. International Veterinary Epilepsy Task Force consensus proposal: medical treatment of canine epilepsy in Europe. BMC Veterinary Research. 2015;11:176.
-
Law TH, Davies ESS, Pan Y, Zanghi B, Want E, Volk HA. A randomised trial of a medium-chain TAG diet as treatment for dogs with idiopathic epilepsy. British Journal of Nutrition. 2015;114(9):1438-1447.
-
Berk BA, Law TH, Packer RMA, Wessmann A, Bathen-Nöthen A, Jokinen TS, Knebel A, Tipold A, Pelligand L, Meads ZA, Volk HA. A multicenter randomized controlled trial of medium-chain triglyceride dietary supplementation on epilepsy in dogs. Journal of Veterinary Internal Medicine. 2020;34(3):1248-1259.
This article is for educational purposes and doesn't replace veterinary diagnosis or emergency care. If your dog's seizure lasts 5 minutes or longer, seizures repeat without normal recovery, or you suspect toxin exposure, seek emergency veterinary care immediately.
