Could Constant Use Of Diabetic Medication Cause Difficulty In Passing Urine?

I have been to the emergency room 3 times in February for Inability to Urinate catheter installed, follow up with Urologist and CT scan shows no blockage but shows stones, A history with Kidney Stones and Type 2 Diabetic. Urologist feels Diabetes related where 12 years of Diabetes medicine have weekend the Bladder?