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My dog is out of phenobarbital, vet's away. What can I give him?

Updated On September 23rd, 2025

I have a miniature pinscher who takes phenobarbital twice daily, 32.5 mg. He only has 1 dose for this evening. His vet is on vacation. What else could I give him instead. I have access to Gabapentin, Librium and kolonopin. He is 12 yrs, male, neutered.

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1 Answer

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Answered By Mirissa Duncil, DVM

Veterinarian

Published on July 8th, 2017

Hi there! It is not wise to substitute medications when your dog is a controlled seizure patient on phenobarbital. These medications do not work like phenobarbital in our dogs and will not have the same effect. You need to contact an emergency vet or try to call another to see if they will fill your script until you can get in to see your regular office on Monday. Otherwise you are risking the health of your friend. Hope this helps.

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