Heat Stroke

Heat stroke is a severe form of hyperthermia that occurs when the body’s temperature regulatory mechanisms fail. It can lead to permanent damage to vital organs and even death if not treated promptly.

Symptoms

  • High body temperature (above 103°F or 39.4°C)
  • Hot, dry skin without sweating
  • Rapid heart rate
  • Confusion or altered mental state
  • Loss of consciousness

Risk Factors

  • Excessive exposure to high temperatures and humidity
  • Inadequate hydration and nutrition
  • Certain medications (e.g., diuretics, anticholinergics)
  • Age (very young and elderly are more susceptible)

Environmental Influences

  • Climate Change: Rising global temperatures increase the frequency of extreme heat events.
  • Urban Heat Island Effect: Cities tend to be warmer due to infrastructure like asphalt and concrete absorbing heat.

Prevention Strategies

  • Stay indoors during peak sun hours
  • Use air conditioning or fans
  • Drink plenty of fluids, especially water and sports drinks containing electrolytes
  • Wear loose-fitting, lightweight clothing
  • Avoid strenuous activities in hot weather

Public Health Interventions

  • Early warning systems for extreme heat events
  • Community cooling centers during high temperatures
  • Educational campaigns about heat-related illnesses
  • Regular checks on vulnerable populations (elderly, children)

Additional Resources

2026 04 11 Climate Change Health Risks to US Communities and Vulnerable Populatio