Dog Having a Seizure: Do This, Not That

⚠ EMERGENCY — DO NOT TOUCH THE MOUTH

A seizing dog cannot swallow its tongue — that is a myth. Do not put your hands near its mouth. Doing so is one of the most common causes of severe dog bites in emergency situations. Read these steps NOW so you know exactly what to do.

By Sarah Bennett, Certified Animal Nutritionist

Watching your dog have a seizure is one of the most terrifying experiences a pet owner can go through. The convulsions, the loss of awareness, the thrashing — it feels like you are watching your dog die. Here is what you need to know: most seizures are not immediately fatal, but what you do in those minutes can make the difference between a manageable episode and a life-threatening emergency.

What Is Actually Happening During a Seizure

A seizure is a burst of abnormal electrical activity in the brain. During a generalized (grand mal) seizure, the dog loses consciousness and control of its body. The most common causes in dogs include:

Idiopathic epilepsy (genetic, most common in dogs 1–5 years old)
Toxin ingestion (chocolate" title="Can Dogs Eat chocolate" title="Can Dogs Eat toxic-to-dogs" title="toxic-to-dogs" title="Is Yew Toxic to Dogs?">Is Yew Toxic to Dogs?">Toxic and Can Kill Cats">chocolate" title="Can Dogs Eat chocolate" title="Can Cats Eat Chocolate? NO — Chocolate Is Toxic and Can Kill Cats">Chocolate? No — It's a Potentially Fatal Poison">chocolate" title="Can Dogs Eat Chocolate? No — It's a Potentially Fatal Poison">Chocolate? No — It's a Potentially Fatal Poison">Chocolate? No — It's a Potentially Fatal Poison">chocolate, xylitol, rodenticide, certain plants)
Brain tumors or trauma
Metabolic conditions (low blood sugar, liver disease, kidney failure)
Infectious diseases (distemper, encephalitis)

A single seizure lasting under 2 minutes is scary but rarely immediately life-threatening. A seizure lasting over 5 minutes — or multiple seizures within 24 hours — is a critical emergency that causes permanent brain damage.

Phase 1: The Seizure Is Happening — Do This

Stay calm. Your dog cannot perceive you normally during the seizure, but your calm presence matters when they come out of it.
Start timing immediately. Note the exact time the seizure began. This is critical information for the vet and determines how urgently you need to act.
Clear the area. Gently move furniture, stairs, sharp objects, or anything that could injure the dog during convulsions.
Do NOT restrain the dog. You cannot stop the seizure by holding the dog down — and you will injure yourself and possibly the dog.
Do NOT put anything in the dog's mouth. No fingers, no spoon, no cloth. Dogs cannot swallow their tongue. You will be bitten — hard.
Turn off bright lights and reduce noise if possible — sensory stimulation can prolong or worsen the episode.
Speak softly to your dog if it helps you stay calm — it will not hurt.

📞 CALL YOUR VET NOW IF:

The seizure has lasted more than 3 minutes (go to emergency vet immediately)
Your dog has had more than one seizure in 24 hours
This is your dog's first-ever seizure
Your dog does not return to normal within 30 minutes after the seizure ends
You suspect your dog ingested a toxin

Phase 2: After the Seizure — The Post-Ictal Phase

After a seizure, dogs enter what is called the post-ictal phase. This period can last from a few minutes to several hours, and it can be just as alarming as the seizure itself. Your dog may:

Be confused, disoriented, or seem blind
Pace compulsively or stumble
Be unusually hungry or thirsty
Appear extremely tired or sleep deeply
Be temporarily aggressive or fearful

This is normal. Do not punish the dog for any behavior during this phase. Keep them in a safe, quiet, confined space — away from stairs and other pets — until they return to baseline.

Status Epilepticus: The Seizure That Can Kill

Status epilepticus is a seizure lasting more than 5 minutes, or two or more seizures without full recovery between them. This is a true neurological emergency. The brain sustains progressive damage with every additional minute of activity. Core body temperature can also spike dangerously during prolonged seizures, causing secondary heatstroke.

If the seizure passes 5 minutes: go to the emergency vet right now. Do not wait for it to stop on its own.

What the Vet Will Do

Administer IV anticonvulsant medication (diazepam or phenobarbital) to stop ongoing seizure activity
Stabilize blood sugar, temperature, and oxygen levels
Run bloodwork to identify metabolic causes
Consider brain imaging (MRI or CT) if a structural cause is suspected
Discuss long-term management if epilepsy is diagnosed

What to Tell the Vet — Record This During the Episode

Use your phone to video the seizure if it is safe to do so. This 30-second clip can be more valuable than any verbal description. Also note:

Exact start and end time
Which body parts were affected (one side vs. full body)
Whether the dog lost consciousness completely
Any potential toxin exposure in the last 24 hours
Any recent illness, injury, or diet changes

Cannabidiol (CBD) for Canine Epilepsy

Emerging research supports CBD as an adjunct therapy for dogs with idiopathic epilepsy. A 2019 Colorado State University study found a significant reduction in seizure frequency in dogs receiving CBD alongside standard anticonvulsants. Always consult your vet before starting any supplement. Explore vet-formulated CBD options at HolistaPet — third-party tested, THC-free formulas designed for dogs.

Key Takeaways

Do NOT put anything in your dog's mouth — the swallowing-the-tongue myth has caused countless unnecessary bite injuries
Start timing the moment the seizure begins — duration determines urgency
A seizure over 5 minutes = emergency vet, right now
The post-ictal phase (disorientation after seizure) is normal and can last hours
Video the seizure if safe — it gives your vet critical diagnostic information
First-ever seizure in an adult dog always requires same-day veterinary evaluation

Citations

McGrath S, et al. "Randomized blinded controlled clinical trial to assess the effect of oral cannabidiol administration in addition to conventional antiepileptic treatment on seizure frequency in dogs with intractable idiopathic epilepsy." Journal of the American Veterinary Medical Association. 2019;254(11):1301–1308. PMID: 31067185
Bhatti SF, et al. "International veterinary epilepsy task force consensus proposal: medical treatment of canine epilepsy in Europe." BMC Veterinary Research. 2015;11:176. PMID: 26238037

Written by Sarah Bennett, Certified Animal Nutritionist. This article is for informational purposes only and does not replace professional veterinary advice. In any emergency, contact your vet immediately.