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Drug Info

  • Drug Name: Gabapentin
  • Common Name: Neurontin
  • Generics: Yes
  • Drug Type: Anticonvulsant & Pain Reliever
  • Used For: Pain & Seizures
  • Species: Dogs, Cats
  • Administered: Oral
  • How Dispensed: Prescription Only
  • Available Forms: 100mg, 300mg, 400mg & 600mg
  • FDA Approved: Yes


Gabapentin is used to control or prevent seizures or convulsions and as a pain reliever.

Dosage and Administration

Gabapentin should be given according to your veterinarian’s instructions.  The dose may be adjusted as necessary by your veterinarian depending on the response to the treatment.

Missed Dose?

If a dose of Gabapentin is missed, give the dose as soon as possible. If it is almost time for the next dose, skip the missed dose and continue your regular schedule. Do not give two doses at one time.

Possible Side Effects

Side effects from Gabapentin can include but are not limited to:

  • Vomiting
  • Drowsiness
  • Loss of balance
  • Diarrhea

Please contact your veterinarian immediately if you notice any side effects.


Do not use in animals that are allergic to Gabapentin or are pregnant or lactating (unless the benefits outweigh the risks) and use caution when giving Gabapentin to a pet that has kidney disease. Do not abruptly stop giving Gabapentin; consult your veterinarian before stopping this medication.


Gabapentin should be stored between 68oF and 77oF (20-25°C). Store out of children’s reach.

Drug Interactions

When using Gabapentin, consult your veterinarian about any other medications you are currently giving your pet, including supplements, as interaction could occur.  Antacids can have an effect on Gabapentin levels, therefore, do not give antacids within two hours of giving Gabapentin. Gabapentin may also have interactions with narcotics such as hydrocodone or morphine.

Signs of Toxicity/Overdose

Overdose of Gabapentin may cause:

  • Reduced activity
  • Excessive sleepiness
  • Loss of balance
  • Depression

If you suspect or know your pet has had an overdose, it could be fatal so please contact your veterinarian, an emergency vet clinic, or the Pet Poison Helpline at (855) 213-6680 immediately.

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