In today's VETgirl online veterinary CE podcast, we discuss a retrospective study published in the Journal of Veterinary Clinical Pathology by Dohany et al., regarding evaluation of phenobarbital-induced hematologic changes in 69 cats. As we know, phenobarbital is a widely prescribed anti-epileptic medication used in veterinary medicine. (FYI, in case you didn’t know this, we don’t typically use potassium bromide as an anti-epileptic medication in cats due to the high prevalence of asthma secondary to its use.) But how aware are you of the cytopenias that can be associated with chronic phenobarbital administration?