Dangerous Blood Sugar Levels in Diabetes - Verywell Health
Dec 7, 2025 · Extreme fluctuations in blood sugar (glucose), whether too high (hyperglycemia) or too low (hypoglycemia), can be dangerous for people with diabetes. The type of diabetes, your medication …
What Levels of Blood Sugar Are Dangerous? - Diabetes Strong
Feb 19, 2022 · Staying in range without too many high (hyperglycemic) and low (hypoglycemic) blood sugars is a constant balancing act. But what levels of blood sugar are actually considered …
Blood Sugar Level Chart: What’s Normal, Low, and High?
Jan 24, 2025 · Diabetics must frequently monitor blood sugar levels to assess if they're low (hypoglycemia), normal, or high (hyperglycemia). Learn to read charts and manage levels effectively.
When is high blood sugar a medical emergency? | Optum Perks
In some cases, extremely high blood sugar becomes a medical emergency. Blood sugar levels are measured using milligrams per deciliter (mg/dL) or millimoles per liter (mmol/L). Doctors often use a …
Hyperglycemia (High Blood Sugar): Symptoms & Treatment
Mar 2, 2023 · What is hyperglycemia (high blood sugar)? Hyperglycemia happens when there’s too much sugar (glucose) in your blood. It’s also called high blood sugar or high blood glucose. This …
High Blood Sugar: Complications That Can Happen - WebMD
Jun 3, 2024 · Blood sugar levels that are too high over time put you at risk for all kinds of health problems. Learn about the health complications high blood glucose can cause.
Hyperglycemia in diabetes - Symptoms & causes - Mayo Clinic
Apr 30, 2025 · Hyperglycemia in diabetes can occur for many reasons. Know the causes, symptoms and treatments of high blood sugar and when to get emergency help.
Hyperglycemia Levels: Causes, Suggested Actions, Treatment ...
Jul 26, 2024 · Hyperglycemia (high blood sugar) causes symptoms like extreme thirst, excessive urination, and fatigue. It can be treated with medications and lifestyle changes.