What term describes the condition of having high levels of sugar in the blood?

The term that describes the condition of having high levels of sugar in the blood is hyperglycemia. This condition occurs when the body has an insufficient amount of insulin or when the body is unable to use insulin effectively, leading to an excess of glucose in the bloodstream. This can occur in various situations, such as uncontrolled diabetes, hormonal changes, stress, certain medications, or other health issues.

Hyperglycemia is significant because it can lead to several symptoms, including increased thirst, frequent urination, fatigue, and blurred vision. If left untreated, it can result in serious complications, making it crucial to manage blood sugar levels effectively.

The other choices represent different concepts: hypoglycemia refers to low blood sugar levels, diabetes is a disease characterized by chronic hyperglycemia, and glucose overload is not a clinically recognized term to describe this condition.