Which of the following signs may indicate hypoglycemia?

Hypoglycemia, or low blood sugar, is often characterized by a range of symptoms as the body reacts to insufficient glucose available for energy. Confusion and sweating are classic indicators of this condition. When blood sugar levels drop, the brain may not receive sufficient glucose, leading to confusion or altered mental status as it struggles to function properly. Additionally, the body's response to low glucose includes activating the sympathetic nervous system, which can cause symptoms such as sweating, palpitations, and anxiety.

In contrast, elevated blood glucose levels, rapid weight gain, and high energy levels are signs often associated with hyperglycemia (high blood sugar) or other conditions unrelated to hypoglycemia. Recognizing the signs of hypoglycemia is crucial for prompt treatment to prevent serious complications.