Which of the following is NOT a potential sign of heat-related illnesses?

In the context of heat-related illnesses, recognizing the appropriate signs and symptoms is crucial for early intervention and treatment. Increased appetite is not typically associated with heat-related illnesses. In fact, during conditions such as heat exhaustion or heat stroke, individuals often experience a loss of appetite rather than an increase. This is due to the body’s focus on managing heat stress rather than on digestion.

On the other hand, dizziness, excessive sweating, and weakness are common signs of heat-related illnesses. Dizziness can occur as a result of dehydration or a drop in blood pressure due to excessive fluid loss. Excessive sweating is the body’s primary mechanism for cooling itself but can lead to dehydration if the lost fluids are not replenished. Weakness can arise as a symptom of significant fluid and electrolyte loss, which affects overall physical performance and response.

Understanding these signs is essential for lifeguards and first responders to effectively identify and assist individuals suffering from heat stress, ensuring timely and appropriate care.