Seizure Diary for Dogs: What to Record and Why It Matters

Seizures are one of the most frightening things an owner can witness. In the moment, time distorts, details blur, and the mind struggles to register what’s happening. By the time it’s over, the most useful question — what exactly did I just see? — is the hardest one to answer clearly.

A seizure diary solves that specific problem. It turns panicked recall into structured, chronological information your veterinarian can actually use to evaluate what’s happening and whether the current plan is working. This guide walks through what to record, what to leave out, and how a careful log shapes the clinical conversation.

Why memory alone is not enough

Seizures compress time in strange ways. Owners commonly overestimate how long an event lasted — a ninety-second seizure can easily feel like five minutes. Pre-event behavior gets mixed up with the seizure itself. Key recovery observations get missed because attention is (understandably) on the dog coming back to normal. After a few events, one blurs into the next. Was it longer this time? Did the disorientation afterward last shorter? Was she asleep or awake when it started?

Your veterinarian — or a neurologist, if the case gets referred — relies on those specifics to make real decisions: whether medication is warranted, whether current medication is working, and whether the pattern fits idiopathic epilepsy or points to something else. Those decisions get worse when the input is vague.

A written diary does three things:

Captures detail while it’s still fresh, not weeks later
Surfaces patterns over time that are invisible event-by-event
Gives the clinical team objective data to work from

What to record during a seizure

This is the hardest part, because during the event your priorities are (1) making sure your dog can’t hurt themselves, and (2) staying calm enough to observe anything at all. If someone else is home, one person should focus on the dog and the other on documenting. If you’re alone, the single most useful thing you can do is start a video on your phone. A one-minute clip is worth more than a paragraph of recall.

The core fields to capture:

Start time. The clock time as soon as you realize it’s happening.
End time. When the active seizure stops — not when the dog is fully recovered.
Duration. Calculated from start to end, not estimated after the fact.
Setting. What was the dog doing? Asleep, playing, eating, just waking up?
Body involvement. Whole body rigid and jerking, one side only, just the face? Collapsed or still standing?
Consciousness. Responsive to their name, or not? Eyes open, closed, glassy?
Bodily functions. Loss of urine or stool, excessive drooling, paddling motions.

Veterinarians use these specifics to distinguish generalized tonic-clonic seizures from focal (partial) seizures, and to rule out events that can look like seizures but aren’t — including cardiac syncope (fainting), severe vestibular episodes, and canine epileptoid cramping syndrome. A video clip is the gold standard for this, because it lets a neurologist make the distinction retrospectively instead of relying on owner memory.

A note on video

Start recording as soon as you can, even if your hands are shaking. Try to get the whole body in frame. Keep recording for a minute or two after the active movement stops — the recovery period matters too. If you’re alone, prop the phone on a chair, couch, or shelf so you can focus on keeping your dog safe. An imperfect video is still enormously more useful than a careful written description written later.

What to record after a seizure

The post-ictal period — the phase after the visible seizure ends — is often the most undervalued part of the log. A lot of diagnostically meaningful data lives here. Dogs may be disoriented, temporarily blind, wobbly, unusually hungry or thirsty, or acting out of character. In some cases this phase lasts minutes; in others, hours.

Worth noting:

Recovery time. How long until the dog seemed fully back to normal?
Behavior. Pacing, staring, bumping into things, walking in circles, vocalizing?
Vision. Is the dog responding to visual cues, or only to sound and touch?
Coordination. Staggering, rear-end weakness, dragging a limb?
Appetite and thirst. Drinking or eating noticeably more than usual?
Temperament. Uncharacteristic aggression, fear, or withdrawal toward people or other pets?

Some of this can be alarming in its own right — a dog who normally knows every family member may briefly not recognize them. Knowing this is common and usually temporary helps you log calmly instead of escalating prematurely. The severity and length of post-ictal recovery can be as clinically important as the seizure itself.

What to record between seizures

Individual events matter, but the context around them matters almost as much. Over weeks or months, a diary becomes a pattern-recognition tool. Your vet will be looking at:

Frequency and timing. How often are seizures happening? Are they clustered at certain times of day? Do they tend to follow sleep, stress, exercise, or meals? Patterns often show up clearly in a log that aren’t noticeable one event at a time.

Medication compliance. If your dog is on an anti-epileptic medication — phenobarbital, potassium bromide, levetiracetam (Keppra), or something else — missed doses matter. A late, skipped, or vomited dose in the prior 24–48 hours can lower the seizure threshold. Your vet needs to know this not to assign blame, but to correctly interpret what an event means. A medication log that sits next to your seizure diary is the cleanest way to keep these two streams aligned.

Triggers and context. Weather changes, loud events (thunderstorms, fireworks), new foods or treats, household disruption, vaccinations, flea and tick preventative doses. Triggers don’t cause epilepsy, but in some dogs they clearly influence individual events.

Other health events. Recent illness, a new medication for an unrelated condition, a change in diet, a procedure. Concurrent issues sometimes matter diagnostically.

How your veterinarian uses the diary

Understanding the clinical use helps clarify why specific fields matter.

Deciding whether to start medication. Most neurologists don’t automatically start anti-epileptic medication after a single, short seizure, because these drugs carry lifelong side effects and monitoring requirements. Practical thresholds for starting treatment vary, but common ones include more than two seizures in roughly six months, any cluster of seizures, or any seizure lasting longer than several minutes. Your frequency log is the primary input into that decision — which is why the very first event is worth documenting even when starting a log feels dramatic.

Assessing medication efficacy. If your dog is already on medication, the interval between seizures, their duration, and their severity are the clinical signals that tell your vet whether the current drug and dose are working. A breakthrough event, a shift from singles to clusters, or a lengthening duration can prompt a drug level check or a regimen change. Consensus guidelines from the American College of Veterinary Internal Medicine describe how cluster seizures and status epilepticus in particular should change the clinical response.

Ruling out non-epileptic events. Video plus a careful written log helps separate true seizures from fainting, vestibular episodes, and neuromuscular events. Each of those has different causes and different workups. Getting the category right changes everything that happens next.

Calibrating urgency between visits. A precisely-timed log helps you recognize when a pattern has crossed from “mention at the next check-in” to “go now.”

What not to do with the log

A few boundaries worth stating plainly.

Don’t adjust medication based on your own reading of the diary. Tapering, increasing, or stopping anti-epileptic drugs without veterinary direction can trigger severe breakthrough seizures, including status epilepticus.
Don’t edit the record to look better. Missed doses, late meals, off-leash stress — your vet is not grading your performance. They need the real data to interpret what they’re seeing.
Don’t try to diagnose from a pattern. Patterns are clinically suggestive, not conclusive. The diary informs the workup; it doesn’t replace bloodwork, imaging, or a neurological exam.

A simple field list to start today

If you want to begin immediately without any app at all, a notes document with these fields is enough to be useful:

For each event:

Date and day of week
Start time (clock)
End time (clock)
Total duration
What the dog was doing just before
Description of the seizure (body involvement, consciousness, bodily functions)
Video recorded? (Y/N)
Post-ictal signs and how long they lasted
Current medications and whether the most recent doses were given on time

For ongoing context, kept weekly or monthly:

Seizure count this week
Any missed or late medication doses
Notable environmental events (new food, stress, storm, travel)
Current weight (relevant for dosing)

Owner information sheets from veterinary neurology specialists, such as the Anderson Moores canine epilepsy guide, use a similar structure for exactly these reasons.

When to seek immediate care

Some situations warrant emergency care rather than a note for the next visit:

Any seizure lasting longer than five minutes (status epilepticus)
More than one seizure in 24 hours (cluster seizures)
A dog who does not fully recover between events
A first-ever seizure, especially in a very young or geriatric dog
Any seizure accompanied by serious injury during the event

When in doubt, call your primary veterinarian or the nearest emergency hospital. Being able to describe what you’ve already logged — durations, timing, medications, recent changes — will help the triage team give you clearer guidance over the phone.

Where Vetara fits in

If you’re already keeping something like a log — screenshots, texts to yourself, notes on the fridge — the next step is a structured place to keep it. Vetara is built for exactly this kind of tracking: timestamped event logs, consistent fields across events, photo and video attachments, medication schedules alongside the same timeline, and a clean timeline you can show your vet or share with another household caregiver. When a second seizure happens weeks after the first, you’re not reconstructing from memory — you’re comparing two careful records side by side, and so is the clinical team.