Extreme tiredness is a hallmark of diabetes. Due to changing blood glucose levels, the body doesn't get enough glucose for energy, causing diabetes tiredness syndrome.
High blood sugar can damage retinas and cause eyeball fluid fluctuations. This can cause blurred vision.
Fatigue
Your kidneys must compensate for increased blood sugar, which commonly leads to frequent bathroom visits.
Diabetes can cause itchy skin as a first symptom. This can be caused by yeast or fungal infection, dry skin, or inadequate circulation.
High blood sugar can damage ear nerve cells and decrease hearing. Make sure to check this at your physical.
Diabetics often detect a bad stomach before a diagnosis from both high and low blood sugar.