A 10-year-old NM Keeshond with a history of diabetes mellitus being managed with insulin was presented for evaluation of progressive deterioration following an ultrasound and cytological diagnosis of suppurative pancreatitis that had been treated with famotidine, heparin, Torbugesic, metoclopramide, and Baytril. Abnormalities on serum biochemistry were elevated ALP and ALT activity, and total bilirubin.