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Life Pharmacy Ireland – Live Better

Bringing you the best health advice for your family

NHS Choices - Preventing dehydration

(15/04/2015)

You should drink plenty of fluids to avoid becoming dehydrated.

The Food Standards Agency (FSA) recommends that if you live in the UK (or somewhere with a similar climate), you should drink 1.2 lites (6-8) glasses of fluid every day.

As well as water, the FSA recommends drinking semi-skimmed milk, diluted squash and diluted fruit juice.

Drink regularly

If you're active, or if the weather is particularly hot, there's a greater risk that you will become dehydrated. To prevent becoming dehydrated, you should increase your fluid intake.

As different people sweat at different rates, it's very difficult to provide specific recommendations about how much fluid you should drink. However, you should drink more than normal while exercising, and it's particularly important to keep well hydrated if you're exercising in warm conditions. This is because you will sweat more and fluid will be lost from your body more rapidly.

However, drinking more fluid than your body can process can reduce the amount of sodium (salt) in your blood. This can lead to a serious and potentially fatal condition called hyponatremia. If you start to feel discomfort and bloating from drinking, stop drinking and allow time to recover.

Illness

If you, your child or someone you are caring for is ill, particularly with a fever, vomiting or diarrhoea, there's a high risk of becoming dehydrated so it's important to start replacing fluid as soon as possible.

Advice for children

There are no specific recommendations regarding the amount of water or other fluids that children need.

However, it's important for children to replace lost fluid to prevent dehydration. Like adults, children lose more water when they are in hotter climates and when they are physically active.

You should give your child healthy drinks as part of an overall healthy, balanced diet.

See drinks and cups for more information and advice about specific drinks for young children.


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