If your cat is having a seizure right now, stay calm and keep your hands away from their mouth. Do not try to hold them down or restrain them. Move nearby objects like furniture, lamps, or anything hard or sharp so your cat can’t injure themselves during the episode. That’s the most important thing you can do in the moment. Most seizures end on their own within one to two minutes.
What to Do During the Seizure
Your instinct will be to comfort your cat, but a seizing cat is unconscious and may bite without recognizing you. The American Red Cross specifically warns to keep your hands away from a seizing cat’s mouth. Instead, focus on making the space safe. If your cat is on a high surface like a bed or countertop, gently guide them to the floor using a towel or blanket, or place pillows below them.
Start timing the seizure as soon as you notice it. This detail matters more than almost anything else you can provide your vet. If possible, use your phone to record a video. Capture what the body movements look like: are all four limbs jerking, or just one side? Is your cat paddling their legs, drooling, or losing bladder control? These specifics help your vet narrow down what’s happening in the brain.
A seizure lasting longer than five minutes is a veterinary emergency called status epilepticus. Two or more seizures in a 24-hour period where your cat doesn’t fully return to normal between episodes is also an emergency. In either case, get to an emergency vet immediately.
What Happens After the Seizure Ends
Once the seizure stops, your cat enters a recovery phase that can look almost as alarming as the seizure itself. Cats in this phase often appear confused, pace aimlessly, seem temporarily blind, or act like they don’t recognize their surroundings. Some become ravenously hungry. Others sleep for hours. These behaviors can last anywhere from a few seconds to several days, though most cats recover within a few hours.
Keep the environment quiet and dim during recovery. Don’t pick your cat up right away. Let them reorient on their own, and block access to stairs or high surfaces they could fall from while disoriented. Offer water once they seem aware of their surroundings again.
Keeping a Seizure Diary
Before your vet visit, write down everything you observed. A useful seizure diary includes how your cat acted before the seizure (restless, hiding, vocalizing, or completely normal), how long the seizure lasted, what the body movements looked like, and how long it took your cat to return to normal behavior afterward. Some cats show a subtle “pre-seizure” phase of restlessness or altered awareness lasting seconds to minutes before the event, which is easy to miss but valuable to note if you caught it.
If your cat has more than one seizure, track the dates, times, and any patterns you notice. This log becomes one of the most useful tools your vet has for diagnosis and treatment decisions.
Why Cats Have Seizures
Seizures in cats fall into two broad categories: problems inside the brain and problems elsewhere in the body that affect the brain. Brain-related causes include inflammation, tumors, vascular events (similar to a stroke), infections like toxoplasmosis or feline infectious peritonitis, and head trauma. Causes outside the brain include metabolic problems like liver disease, kidney failure, low blood sugar, thyroid disorders, and exposure to toxins.
Unlike dogs, cats rarely have idiopathic epilepsy, the kind with no identifiable underlying cause. When it does occur, it’s typically a diagnosis of exclusion after everything else has been ruled out. This means a first seizure in a cat is more likely to have a specific, identifiable cause that your vet will want to investigate.
Some cats also experience reflex seizures triggered by environmental stimuli. The most well-documented trigger is high-pitched sound. Crinkling tin foil, tapping on glass, clicking keyboards, or jingling keys have all been documented as seizure triggers in susceptible cats, particularly older ones. If you notice your cat seizes after specific sounds, mention this to your vet.
What the Vet Will Do
Your vet will start with a thorough history and neurologic exam, then run baseline blood work including a complete blood count, chemistry panel, thyroid levels, blood pressure check, bile acids, and urinalysis. These tests screen for the metabolic and organ-related causes that are common in cats.
If blood work comes back normal, advanced imaging with MRI or CT is typically the next step, sometimes followed by a spinal fluid analysis to check for infection or inflammation. Your vet may also test for specific infections like toxoplasmosis, cryptococcosis, or feline infectious peritonitis. The goal is to find a treatable underlying cause before settling on a diagnosis of epilepsy.
Long-Term Treatment and Outlook
If your cat is diagnosed with epilepsy or a condition requiring ongoing seizure management, treatment typically involves daily anti-seizure medication. The two most commonly used options work differently and have distinct side-effect profiles. The older, more established option can cause persistent lethargy, unsteadiness, weakness, and behavioral changes in about a third of cats, and these effects don’t always resolve over time. A newer alternative tends to cause similar initial side effects (sleepiness, reduced appetite, mild unsteadiness) but these typically clear up within about two weeks, and owners often report their cats seem brighter and more responsive once adjusted.
The long-term outlook depends heavily on the underlying cause, but the numbers for cats with epilepsy of unknown cause are more encouraging than many owners expect. In a study of 76 cats, treatment improved seizure control in 71% of cases. About 42% of cats became completely seizure-free. The median survival time across all cats in the study was 4.9 years, and 68% were still alive at the end of the follow-up period, with some living over a decade. Cats that achieved remission had dramatically better outcomes: those without remission faced roughly ten times the risk of death compared to cats whose seizures came under control.
One surprising finding from that same study: among the small group of cats that didn’t receive medication, 79% achieved complete remission on their own. This doesn’t mean medication is unnecessary. Vets strongly recommend treatment when imaging reveals structural brain disease like tumors, infection, or inflammation. But it does suggest that for some cats with mild, infrequent seizures and no identifiable cause, your vet may reasonably recommend monitoring before starting lifelong medication.
Age at seizure onset also matters. Each additional year of age at the time seizures first appeared was associated with a 12% increase in risk of death, likely reflecting the higher chance of serious underlying disease in older cats. A young cat with a first seizure and normal test results generally has a more favorable prognosis than a senior cat presenting the same way.