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Drinking water: a habit to build early

Children lose water faster than adults and feel thirsty later. A few simple habits are enough to close the gap.

A little boy drinking a glass of orange juice at breakfast

Why children are more exposed

Relative to their weight, children have a larger body surface area than adults: they lose more water. They are also slower to stop playing to go and drink.

The feeling of thirst appears when water loss has already begun. Waiting for a child to ask for a drink is therefore not a reliable strategy.

How much, and what

Guidelines vary with age, activity and temperature: around one to one and a half litres of drinks a day is often quoted for school-age children, in addition to the water provided by food.

Water remains the only essential drink. Fruit juices provide free sugars, even when no sugar has been added: one glass a day at most is the most common guideline. Soft drinks and energy drinks have no place in a child's diet.

Habits that work

A personal water bottle, visible and within reach, makes more difference than a verbal reminder. Offering a glass at every meal and after every activity builds a reflex.

In hot weather or during sport, increase how often rather than how much: small, regular sips are better tolerated than a large volume at once.

Key takeaways
  • Thirst comes after water loss has begun: don't rely on it.
  • Water is the only essential drink; one juice a day at most.
  • A water bottle within reach works better than reminders.

This information is general in nature and does not replace the advice of a healthcare professional. For any question about your child's health, please consult your doctor or pharmacist.

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