Is your vision blurry for no reason? High blood sugar can change the shape of the lens and affect vision. If this happens regularly, talk to your doctor.
Difficulty concentrating
A brain that lacks fuel (glucose misused) functions in slow motion. The result: concentration problems, mental fatigue and a feeling of being “in the fog” .
Dry mouth

A dry mouth, often accompanied by intense thirst, may indicate that your body is losing too much fluid due to the elimination of sugar through urine.
Erectile dysfunction (in men)
