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My cat's restless with dilated eyes on phenobarbital for seizures?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 6 lbs

My cat has seizures, etiology unknown, she is on phenobarbital 7.5mg bid, her eyes are dilated all the time and she seems to always be in motion is this normal

1 Answer

Most Helpful Answer

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Answered By Christie Long, DVM

Veterinarian, Certified Veterinary Acupuncturist

Published on May 12th, 2018

This does seem a bit abnormal, as phenobarbital typically has sedative effects, so I would not expect it to cause Tigger to be restless like this. I would recommend calling the vet who prescribed this for Tigger and discussing these effects, as a dosage adjustment may be in order.

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