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dehydration severity, adult or older child

severe dehydration means:

  • your mouth and eyes may be extremely dry.
  • you may pass little or no urine for 12 or more hours.
  • you may not feel alert or be able to think clearly.
  • you may be too weak or dizzy to stand.
  • you may pass out.

moderate dehydration means:

  • you may be a lot more thirsty than usual.
  • your mouth and eyes may be drier than usual.
  • you may pass little or no urine for 8 or more hours.
  • you may feel dizzy when you stand or sit up.

mild dehydration means:

  • you may be more thirsty than usual.
  • you may pass less urine than usual.

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this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use and privacy policy. to learn more about healthwise, visit healthwise.org. © 1995-2022 healthwise, incorporated. healthwise, healthwise for every health decision, and the healthwise logo are trademarks of healthwise, incorporated.

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