Skip to main content
PetDosageChart

Anticonvulsant · For Dogs · 90 lb

How much Keppra for a 90 lb dog?

A 90 lb dog (40.8 kg) should receive approximately 1632.7 mg of Keppra per dose, given Every 8 hours.

This dosage information is for educational purposes only. Always consult your veterinarian before giving any medication to your pet. Dosages may vary based on your pet's health conditions, other medications, and individual factors.

Content reviewed by licensed veterinarians. Sourced from Plumb's Veterinary Drug Handbook and the Merck Veterinary Manual.

Dosage · 90 lb dog

Keppra dose for a 90 lb dog

Low Dose

816.3

mg

Standard

1632.7

mg

Max Safe

2449.0

mg

Frequency

Every 8 hours

Weight in kg

40.8 kg

Always confirm with your veterinarian before administering medication. These calculations are estimates based on published veterinary pharmacology references.

Other Weights

Keppra for a different size dog

FAQ · 90 lb dog

Questions about Keppra for a 90 lb dog

How much Keppra for a 90 lb dog?
A 90 lb dog should receive approximately 1632.7 mg of Keppra (Levetiracetam) per dose, given Every 8 hours. That works out to about 6.5 × 250 mg. Always confirm with your veterinarian before administering medication.
What is the safe dose range of Keppra for a 90 lb dog?
The published dose range for a 90 lb dog is roughly 816.3 mg (low) to 2449.0 mg (max safe), with 1632.7 mg as the typical standard dose. Frequency: Every 8 hours.
How often can I give Keppra to a 90 lb dog?
Keppra is typically given Every 8 hours. Do not exceed the recommended frequency without veterinary guidance.

Need a different weight?

Use the calculator on the main Keppra page for any exact weight, or read the full dosage chart and safety information.

Full Keppra dosage guide →

Sources · 09

Sources & references

The dosage information on this page is compiled from the following veterinary and pharmaceutical references:

  • Plumb's Veterinary Drug Handbook — the standard veterinary pharmacology reference used by veterinarians worldwide.
  • Merck Veterinary Manual — a trusted, peer-reviewed resource for veterinary professionals and pet owners.
  • DailyMed (FDA Drug Labels) — official FDA-approved drug labeling and prescribing information for Levetiracetam.

Read more about our methodology and how we calculate dosages.