Quick Answer
Keppra (levetiracetam) dosage for dogs typically ranges between 20–60 mg/kg given every 8 hours, depending on the dog’s condition, seizure severity, and whether extended-release formulations are used. Always follow your veterinarian’s exact dosing instructions, as incorrect dosing may reduce seizure control or increase side effects.
Introduction
If your dog has been diagnosed with seizures, your veterinarian may prescribe Keppra (levetiracetam) as part of the treatment plan. It’s widely considered one of the safer anti-seizure medications for dogs.
In our full guide on Levetiracetam (Keppra) for Dogs: Uses, Dosage, Side Effects & Safety, we cover how the drug works and when it’s used. This article focuses specifically on dosage, weight-based charts, and safe administration.
For a broader overview of treatment options, see Seizure Medications for Dogs: Complete Guide (Uses, Safety, Dosage & Treatment Options).
Keppra Dosage for Dogs
What Is the Typical Keppra Dosage for Dogs?
The most common veterinary dosing range:
- Standard dose: 20 mg/kg every 8 hours
- Higher dose range: up to 60 mg/kg (in severe cases)
- Extended-release (XR): usually every 12 hours
Keppra is often used:
- As a first-line seizure medication
- In combination with drugs like phenobarbital
- For dogs that cannot tolerate stronger medications

Keppra Dosage Chart for Dogs (Weight-Based Guide)
| Dog Weight | Low Dose (20 mg/kg) | Medium Dose (40 mg/kg) | High Dose (60 mg/kg) |
|---|---|---|---|
| 5 kg | 100 mg | 200 mg | 300 mg |
| 10 kg | 200 mg | 400 mg | 600 mg |
| 20 kg | 400 mg | 800 mg | 1200 mg |
| 30 kg | 600 mg | 1200 mg | 1800 mg |
| 40 kg | 800 mg | 1600 mg | 2400 mg |
⚠️ Important: Always round doses based on available tablet strengths and veterinary guidance.
Immediate-Release vs Extended-Release Keppra
| Type | Frequency | Notes |
|---|---|---|
| Immediate-release | Every 8 hours | Most commonly used |
| Extended-release (XR) | Every 12 hours | Only for larger dogs (cannot be split) |
Extended-release tablets must:
- NOT be crushed or split
- Be used only in dogs that can swallow whole tablets
How to Give Keppra to Dogs
- Can be given with or without food
- Try to give doses at consistent times
- Do not skip doses
- If a dose is missed, give it as soon as possible (unless close to next dose)

What Happens If the Dose Is Too Low or Too High?
Underdosing
- Poor seizure control
- Increased seizure frequency
- Risk of emergency seizures
Overdosing
- Sedation
- Weakness or wobbliness
- Loss of coordination
For more detailed side effects, see
Keppra Side Effects in Dogs: What to Watch For (Vet-Backed Guide)
When Do Vets Adjust Keppra Dosage?
Your vet may change the dose if:
- Seizures are not controlled
- Side effects appear
- Another medication is added (e.g. phenobarbital)
- Your dog has kidney disease
- Your dog is very young or senior
Keppra Dosage vs Other Seizure Medications
| Medication | Typical Use | Monitoring Required | Safety Profile |
|---|---|---|---|
| Keppra | First-line / add-on | Minimal | Very safe |
| Phenobarbital | Strong seizure control | Blood tests required | More side effects |
| Potassium bromide | Long-term control | Blood monitoring | Slow onset |
Compare more in
Seizure Medications for Dogs: Complete Guide (Uses, Safety, Dosage & Treatment Options)

When to Contact a Veterinarian
Call your vet if:
- Seizures continue despite medication
- Your dog becomes extremely lethargic
- There is loss of coordination or collapse
- You suspect overdose
- You accidentally miss multiple doses
Also review seizure warning signs here:
Dog Seizure Symptoms: Signs, Causes & When to Act (Vet-Backed Guide)
FAQ – Keppra Dosage for Dogs
How often should I give Keppra to my dog?
Most dogs receive Keppra every 8 hours, unless using extended-release (every 12 hours).
Can I give Keppra once a day?
No. Standard Keppra requires multiple daily doses due to its short half-life in dogs.
Is Keppra safe for long-term use in dogs?
Yes, Keppra is generally considered one of the safest long-term seizure medications for dogs.
What happens if I miss a dose?
Give it as soon as you remember, unless it’s close to the next scheduled dose.
Conclusion
Keppra is one of the most commonly prescribed seizure medications for dogs due to its strong safety profile and flexible dosing. Most dogs require 20–60 mg/kg every 8 hours, but dosing must always be tailored to the individual dog.
When used correctly and consistently, Keppra can significantly improve seizure control and quality of life. – Keppra Dosage for Dogs
Medical Disclaimer
This article is for informational purposes only and does not replace professional veterinary advice. Always consult your veterinarian before starting, stopping, or adjusting any medication.Keppra Dosage for Dogs
Sources & References
- Plumb’s Veterinary Drug Handbook
- American Veterinary Medical Association
- Veterinary Information Network
- Boothe DM. Small Animal Clinical Pharmacology


