Which of the following is a symptom of hypoglycemia?

Excessive sweating is indeed a recognized symptom of hypoglycemia. When blood glucose levels drop significantly, the body responds by releasing stress hormones, such as adrenaline (epinephrine). This release stimulates various physiological responses intended to restore blood sugar levels, one of which is increased sweating. This symptom can manifest as clamminess or excessive perspiration, often accompanied by feelings of anxiety or palpitations.

While there are several symptoms associated with hypoglycemia, such as confusion and visual disturbances, excessive sweating is particularly notable as it reflects the body's immediate physiological response to low blood sugar levels. The presence of confusion and visual disturbances are typically more associated with prolonged or severe hypoglycemia, where cognitive and sensory functions are impaired due to insufficient glucose for brain activity. However, excessive sweating serves as a more immediate alarm signal that may occur as blood sugar levels start to fall.