Gabapentin Drug Information for Dogs and Cats

By: Dr. Alex Avery, BVSc | Reviewed by: Dr. Ryan Llera, B.Sc., DVM | Published by: Healthcare for Pets | May 17, 2019

Gabapentin Drug Information Sheet for Dogs and Cats

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Quick Info:


  • Drug name: Gabapentin
  • Common name: Neurontin, generics
  • Drug type: Anticonvulsant, analgesic drug
  • Used for: Painkiller, anxiety/fear, uncontrolled seizures
  • Species: Dog + cat
  • Formulation: Tablet, capsule, liquid


Name – Active Ingredient:


  • Gabapentin


Name – Common Trade Names:


  • Neurontin, generics






Major Indication:


  • Pain – more effective treating long-term nerve pain than sudden short-term pain.
  • Situations where fear or anxiety is anticipated.
  • Aid seizure treatment when other drugs are failing to adequately control seizures.


Common Contraindications and Warnings:


  • Some human preparations contain xylitol which is highly toxic to dogs and cats.
  • Use with caution in cases of advanced kidney or liver disease.


Potential Side Effects:


  • Sedation and wobbliness are the most common side-effects seen.
  • Drooling and vomiting are seen less commonly.


Administration Instructions/Handling:


  • Giving with food reduces the risk of vomiting.
  • When long-term treatment is no longer needed, treatment should be stopped slowly.
  • If a dose is missed, give as soon as possible and administer the next dose as due.




  • Capsules and tables should be stored at room temperature.
  • Oral liquid should be kept in the fridge.


Speed of Action + Monitoring:


  • When given fear or anxiety, administer 90 minutes to 3 hours before the effect is needed.
  • It takes 1-2 for body levels to reach a steady state.
  • When used to treat long-term pain, it can take several weeks to months for the full effect to be appreciated.
  • When given to treat pain, your pet’s pain levels should be monitored to ensure the treatment given is effective.




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Gabapentin Drug Information for Dogs and Cats
Article Name
Gabapentin Drug Information for Dogs and Cats
This resource provides drug information for dogs and cats taking gabapentin.
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Healthcare for Pets
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