She needs to control her diet and change the medications and if it doesn't come under control by that she will require insulin to manage such high
sugar levels. I would advise you to meet an endocrinologist so that she can be examined and treated accordingly, her
kidney, nerves and eyes need to be checked as well.
Next Steps
Follow the steps as advised
Health Tips
If condition persists or worsens visit the endocrinologist at the earliest