Kidney damage and frequent UTI can be common complications of diabetes, particularly if blood sugar is high.
Optimally blood sugars will be kept in the range of 70 - 120/140. This will be done with diet (low carb may be helpful) and medications.
UTI and/or kidney issues are very serious for people with diabetes and should be assessed and managed by a urologist / nephrologist (specialist in kidney) or diabetes specialist. Please do go consult your doctor about this.