Phenobarbital side effects in Golden Retrievers

45 FDA reports involve Phenobarbital in a Golden Retriever. These are the problems they describe.

Seizures
23 51%
Didn't work as expected
6 13%
Lethargy
6 13%
Weakness
5 11%
Loss of appetite
5 11%
Behaviour change
4 8.9%
Death
4 8.9%
Breathing problems
3 6.7%
Wobbliness (ataxia)
3 6.7%
Vomiting
3 6.7%
Underdose
2 4.4%
Splenic neoplasm
2 4.4%

All reports for Phenobarbital in dogs