Five signs of high blood sugar (hyperglycemia) include:
Increased Thirst: Feeling excessively thirsty and needing to drink more fluids.
Frequent Urination: Needing to urinate more often than usual.
Fatigue: Experiencing unusual tiredness or lack of energy.
Blurred Vision: Having difficulty seeing clearly, which can result from fluid changes in the eyes.
Headaches: Experiencing frequent headaches that may be related to elevated blood sugar levels.