Dehydration

Dehydration symptoms warn that your body needs more fluid. Mild dehydration is common; severe dehydration is a medical emergency, especially in children and older adults.

Table of Contents

Seek Emergency Care

Severe signs: confusion, fainting, rapid heart rate, no urine for 8+ hours (adults) or 6+ hours (infants), cold or mottled extremities.

Common Signs

  • Thirst
  • Dry mouth and lips
  • Dark urine, infrequent urination
  • Headache, dizziness
  • Fatigue
  • In children: fewer wet diapers, sunken eyes, listlessness
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • CDC. Hydration Resources.