Can Phenobarbital Cause Death In Dogs?

Can Phenobarbital Cause Death In Dogs? Yes, dogs can overdose on Phenobarbital. Phenobarbital toxicosis manifests with ataxia, heavy sedation, recumbency (inability to stand), hypothermia (decreased body temperature), coma, and even death. If case of accidental ingestion, call the vet or Animal Poison Control Helpline immediately. What happens if a dog takes too much phenobarbital? Symptoms