Heat Exhaustion and Heat Stroke

• Heat Exhaustion and Heat Stroke Overview
• Heat Exhaustion and Heat Stroke Causes
• Heat Exhaustion and Heat Stroke Symptoms
• When to Seek Medical Care
• Exams and Tests
• Heat Exhaustion and Heat Stroke Treatment
• Self-Care at Home
• Medical Treatment
• Next Steps
• Follow-up
• Prevention
• Outlook
• Authors and Editors
• Related heat stroke articles:
  Heat stroke - on WebMD
  Heat stroke - on MedicineNet

Heat Exhaustion and Heat Stroke Overview

Heat exhaustion: This condition often occurs when people exercise (work or play) in a hot, humid place and body fluids are lost through sweating, causing the body to overheat. The person's temperature may be elevated, but not above 104°F.

Heat stroke: This medical condition is life-threatening. The person's cooling system, which is controlled by the brain, stops working and the internal body temperature rises to the point where brain damage or damage to other internal organs may result (temperature may reach 105+°F).