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Dehydration in Adults (cont.)

Symptoms of Dehydration in Adults

The signs and symptoms of dehydration in adults range from minor to severe.

Mild to moderate dehydration may include the following:

  • Increased thirst
  • Dry mouth
  • Tired or sleepy
  • Decreased urine output
  • Urine is low volume and more yellowish than normal
  • Headache
  • Dry skin
  • Dizziness
  • Few or no tears

The above symptoms may quickly worsen and indicate severe dehydration with signs and symptoms are developing; severe dehydration may include the following:

  • Severely decreased urine output or no urine output. The urine, if any, produced is concentrated and a deep yellow or amber color.
  • Dizziness or lightheadedness that does not allow the person to stand or walk normally.
  • Blood pressure drops when the person tries to stand after lying down (low blood pressure or orthostatic hypotension)
  • Rapid heart rate
  • Fever
  • Poor skin elasticity (skin slowly sinks back to its normal position when pinched)
  • Lethargy, confusion, or coma
  • Seizure
  • Shock
Medically Reviewed by a Doctor on 7/7/2014

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