Which of the following could be a sign that indicates a medical issue?

Cold sweats can be a significant indicator of an underlying medical issue, often linked to conditions such as shock, heart problems, or serious infections. When a person experiences cold sweats, it typically means that their body is reacting to stress or pain. This physiological response can indicate that the body is in distress, and it may warrant immediate medical attention.

Fatigue, feelings of anxiety, and drowsiness can also be signs of a medical issue, but they are more broad and can result from various other factors, such as lack of sleep, emotional stress, or even lifestyle choices. Without additional context, these symptoms might not directly indicate a medical emergency as strongly as cold sweats, which often suggest a more serious problem that needs to be addressed promptly.