• Heat cramps, characterized by painful muscle spasms, are an early warning sign of heat-related distress and require immediate hydration and cooling.
• Heat exhaustion manifests as heavy sweating, weakness, and dizziness, necessitating a move to a cool area, fluid intake, and potentially medical attention if symptoms worsen.
• Heat stroke, with a body temperature of 103°F or higher, is a life-threatening emergency requiring immediate medical intervention and aggressive cooling measures.