Dehydration: when to see a doctor

Vomiting and diarrhoea can easily lead to dehydration, especially in the case of infants and older people.

If someone's skin feels cold to the touch, they appear dizzy or disorientated, have chapped lips or a dry mouth and they have low blood pressure, they should be given medical attention.

Dehydration could lead to serious medical complications.

Read more:

8 glasses a day a myth 
Water and your body