Pain & arthritis Dogs & Cats

Gabapentin for dogs and cats

Treats chronic pain, especially nerve pain, and seizures, usually with other medicines. In cats it is also widely used to ease fear before vet visits. [1]

Last reviewed: October 2026 · 3 sources · see sources

Quick answerGabapentin is a prescription medicine for dogs and cats. It calms overactive nerve signals in the brain and spinal cord. The most common side effects: sleepiness and wobbliness are the main ones.

Key facts

Generic nameGabapentin
Common brand namesNeurontin
Used inDogs & Cats
TypePain & arthritis
Prescription?Prescription
Typical US price$4–$10 a month [2]

What it's used for

Treats chronic pain, especially nerve pain, and seizures, usually with other medicines. In cats it is also widely used to ease fear before vet visits. [1]

How it works

It calms overactive nerve signals in the brain and spinal cord. [1]

Side effects and cautions

Common side effects: Sleepiness and wobbliness are the main ones. Vets often start low and build up to limit them. [1]

Use with care: Use caution in pets with kidney disease. Don't stop it suddenly if your pet takes it for seizures. The human liquid can contain xylitol, which is toxic to dogs. [1]

Call your vet right away if your pet has trouble breathing, facial swelling, hives, collapse, or any side effect that is severe or getting worse.

About dosingDosing is your vet's call. We don't list doses because the right amount depends on your pet's weight, age, health and other medicines. Don't change a dose or stop a medicine without asking your vet, and never give a pet medicine meant for people unless your vet tells you to [3].

What it costs

Prices come from public owner-bill reports and vary by clinic, pharmacy, pet size and dose.

Gabapentin FAQ

What is Gabapentin used for in dogs and cats?

Treats chronic pain, especially nerve pain, and seizures, usually with other medicines. In cats it is also widely used to ease fear before vet visits.

What are the side effects of Gabapentin?

Sleepiness and wobbliness are the main ones. Vets often start low and build up to limit them.

Does Gabapentin need a prescription?

Yes. It needs a prescription from a veterinarian.

How much Gabapentin should I give my pet?

Only your veterinarian can tell you. The right dose depends on your pet's weight, health and other medicines, so we don't list doses. Never give a pet a medicine prescribed for a person or another animal without asking your vet.

Related medications

Related cost guides

This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.

Sources (3) — tap to show
  1. VCA Animal Hospitals – Gabapentin (veterinary drug handout)
  2. VetReceipt – Dog arthritis treatment cost (owner bills)
  3. FDA – Frequently asked questions about animal drugs