Internal – and general medicine / Diabetes


Dr. Michael Janis: Diabetes doctor in Frankfurt

Diabetes mellitus (diabetes) is a pathological disorder of the sugar metabolism. The blood glucose level of the affected person or persons is permanently elevated. Over time, this damages the vessels and various organs. Therefore, diabetes should be detected and treated early.


Major forms: Type 1 diabetes, type 2 diabetes, gestational diabetes.

  • Common symptoms: severe thirst, frequent urination, itching, dry skin, weakness, fatigue, immune deficiency.
  • Possible complications: Hypoglycemia, hyperglycemia with hyperacidity (diabetic ketoacidosis) or extreme dehydration (hyperosmolar hyperglycemic syndrome).
  • Possible secondary diseases: Retinal damage (diabetic retinopathy), kidney disease (diabetic nephropathy), diabetic foot, cardiovascular disease, etc.
  • Examinations: Measurement of blood glucose and HbA1c, oral glucose tolerance test (oGTT), test for autoantibodies (in type 1 diabetes).
  • Treatment: dietary changes, regular physical activity, blood sugar-lowering tablets (oral antidiabetics), insulin therapy
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