Hello, his blood sugar levels are very high and he will get complications if this is maintained. This may contribute to how he is feeling, or there may be some other problem going on.
We cannot give medical advice here, and your father's situation means he should see his Dr. for further evaluation and assistance.
Please go back to his doctor and report how he is feeling, and request proper assessment of his healthy and adjustment of his medications.
I second what Sally said. Take his BG readings to the MD. His BG is out of control and will lead to problems.
We do know carbohydrates raise BG ALL carbs raise BG.... Yes even whole wheat will raise BG