Heat exhaustion is when you become very hot and your body starts to lose water or salt, making you overheat.
Heat stroke is when your body can no longer cool itself and your temperature becomes dangerously high.
You need to see a doctor as soon as possible if you think you have heat stroke.
Visit HealthInfo for local health advice
For more information about dealing with heat and sun injuries, see our advice on the healthinfo website
Page last updated: 24 January 2020
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