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severe dehydration in older children and adults

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.

severe dehydration is a medical emergency and requires emergency treatment. call 911 or other emergency services immediately.

by the time a person becomes severely dehydrated, there is no longer enough fluid in the body to carry enough blood to vital organs. shock, which is a life-threatening condition, can develop quickly.

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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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