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The main risks that heatwaves pose to life are:
• Dehydration
• Overheating
• Heat exhaustion
• Heat stroke
The most common warning signs and symptoms of dehydration include:
• Dry skin
• Dry mouth as an early sign
• Sleepiness
• Thirst
• Decreased urination
• Dizziness
• Fainting
• Fatigue
• Headaches
Treatment for heat exhaustion:
• Leave heated environment and rest, preferably in an air-conditioned room or shady place.
• Remove any tight or unnecessary clothing.
• Take a cool shower, bath or sponge bath.
• Apply other cooling measures, such as fans and towels. If such measures fail within 15 minutes, seek emergency medical interventions.
Heat stroke:
Heat stroke, also known as sun stroke, is a type of severe heat illness that results in a body temperature greater than 40°C.
Signs and symptoms of heat stroke:
• Dizziness or light-headedness
• Seizures or coma
• Nausea and vomiting
• Flushed and reddened skin
• Slurred speech
Treatment for heat stroke:
• Prompt cooling will bring core body temperature and brain back to normality within an hour.
• Seek prompt medical intervention as soon as possible.
• Avoid sugary, sweetened drinks, alcohol and caffeine because they will cause increased urination and electrolyte loss.
