top of page

What are the symptoms of high and low blood sugar levels?

High blood sugar levels, or hyperglycemia, can cause symptoms such as frequent urination, increased thirst, fatigue, headache, blurred vision, and in severe cases, unconsciousness. On the other hand, low blood sugar levels, or hypoglycemia, can cause symptoms such as shakiness, sweating, confusion, erratic behavior, hunger, and in severe cases, seizures or loss of consciousness. It's essential for individuals with diabetes to recognize these symptoms as both conditions require immediate attention. Hyperglycemia can indicate poor control of diabetes and, if persistent, can lead to long-term complications, while hypoglycemia can quickly become an emergency situation.


  1. Mayo Clinic. (2021). "Hyperglycemia in diabetes."

  2. Mayo Clinic. (2020). "Hypoglycemia."

  3. National Institute of Diabetes and Digestive and Kidney Diseases. (2020). "Hyperglycemia."

  4. American Diabetes Association. (2019). "Hypoglycemia (Low Blood sugar)."

Recent Posts

See All


bottom of page