Phenobarbital side effects in Labrador Retrievers

92 FDA reports involve Phenobarbital in a Labrador Retriever. These are the problems they describe.

Seizures
36 39%
Didn't work as expected
15 16%
Vomiting
13 14%
Liver problems
11 12%
Wobbliness (ataxia)
9 9.8%
Death
9 9.8%
Loss of appetite
7 7.6%
Lethargy
7 7.6%
Behaviour change
6 6.5%
Itching
5 5.4%
Tremors
5 5.4%
Breathing problems
5 5.4%

All reports for Phenobarbital in dogs