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Dehydration occurs when the body does not have enough water to function properly. Learn how illness can cause dehydration and how it is treated.

Key points

  • Babies and younger children are at greater risk of dehydration.
  • Early, appropriate treatment can prevent dehydration.
  • Children with mild dehydration can be managed at home.
  • Children with moderate to severe dehydration should be seen by a doctor.
Last updated: January 28th 2024