Have you been feeling too much hungry? This may be an indication of high blood sugar levels.
Experiencing heightened thirst and an increase in the frequency of urination, especially at night may be an indicator of pre-diabetes.
Sudden weight loss or gain without apparent reasons could be a sign of pre-diabetes.
High levels of sugar in the blood can promote more yeast infections in your body.
High glucose level in blood can lead to diabetic retinopathy.
These are not professional advices. Make sure to consult a doctor before taking any medications or changing diets.