Heatwave: What is the difference between heat stroke and dehydration? Here's everything you need to know
With the heatwave in full force and more extremely hot weather forecast this summer, it’s vital you know what to do if you or a person you know is suffering from heat stroke or dehydration.
Dehydration and heat stroke are two very common heat-related diseases that can be life-threatening if left untreated.
Both conditions need immediate attention – here are the differences and what you should do:
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Hide AdHeat stroke


Symptoms include – Lightheadedness, headache, nausea with vomiting, muscle cramps, cold, pale, clammy skin, fast, weak pulse and heavy sweating.
What should you do?
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Hide AdMove the person to a cooler place, lower the person’s temperature, don’t let them drink anything, call emergency services straight away.
Lowering the person’s temperature can be done by moving them to a shaded area and elevating their feet, applying cool water to the skin and fanning them, and by applying ice packs under the armpits.
Dehydration
Symptoms include – Increased heart rate and breathing, headache, fatigue, thirst, reduced urination, dry mouth and dry skin.
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Hide AdWhat should you do?
Rehydrate by drinking fluids or drinks containing electrolytes. More severe cases may need hospital treatment in the form of IV fluids.
How to prevent
Drink penty of fluids when you’re out in the sun. Ideally water.
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Hide AdTry not to do any physical activity during the hottest part of the day.
Wear sunglasses and a hat.
Use sun block.
It is vital you never leave children or pets in hot cars, even for a minute.