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Did my 9 lb poodle die from phenobarbital medication overdose?

Updated On September 23rd, 2025

Pet's info: Dog | Toy Poodle | Female | spayed | 9 lbs

9 lb poodle was given 3 ml of 16mg liquid phenobarbitiol 4 times within a day and a half. She died 2 days later. Was it from the overdose?

1 Answer

Most Helpful Answer

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Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on August 4th, 2017

16mg every 8-12 hours is well within the safe and therapeutic range of phenobarbital for a 9 pound dog. If you were actually giving 48mg each time, this would be an overdose, and could cause coma and subsequent death. I am very sorry that Gigi died. If you would like to discuss this further, initiate a one-on-one consult and I can answer all of your questions.

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