Acute complication may be seen in both insulin dependent as well as non-insulin dependent diabetes. The patients of IDDM depend on insulin injections. If the diabetics stop taking insulin injections they develop diabetic coma and ketoacidosis. The Symptoms are, the patient develops vomiting, abdominal pain and dehydration. If untreated it leads to unconsciousness and death may occur.
Diabetic ketoacidosis is appearance of large amounts of glucose in urine along with ketone bodies.
The long term complications in case of uncontrolled diabetes can affects different organs. Hence it is necessary to examine the eyes regularly, according to the advice of the doctor. The arteries may develop fat deposits hindering blood flow. This may reduce the blood supply to the limbs. In case of injuries, it can develop infections and it may even develop gangrene.