Since your father's blood sugar
levels are very high, it is advisable to visit
a doctor for a formal medical examination and do some more tests (based on the case history and clinical findings ). Please read about Diabetes
and it's management from the internet and take proper precautions. Understanding about Diabetes and the influence of a healthy lifestyle can help the person to take good care of himself without depending on others. Regular medical checkup will help the doctor to track the improvement and catch hold of any complications without any delay. You can also update all the details after the visit to gain further clarification.