Phenobarbital side effects in Chihuahuas

67 FDA reports involve Phenobarbital in a Chihuahua. These are the problems they describe.

Seizures
25 37%
Lethargy
13 19%
Vomiting
12 18%
Loss of appetite
11 16%
Didn't work as expected
9 13%
Death
9 13%
Thrombocytosis
8 12%
Hypernatremia
7 10%
Tremors
7 10%
Neutrophilia
6 9.0%
Adipsia
6 9.0%
Breathing problems
6 9.0%

All reports for Phenobarbital in dogs