Dehydration Symptoms, Signs and Causes for Thirst, Fatigue and Headache Treatment

Every living creature requires ingestion of water. How much you need depends on your size, activity level and weather.

Failing to ingest more water than your body uses leads to dehydration. Even mild dehydration can reduce your energy level, making you feel tired.

Common causes of dehydration include:

  • diarrhea
  • vomiting
  • strenuous activity
  • excessive sweating

Signs and symptoms of dehydration are:

  • thirst
  • fatigue
  • dizziness
  • headache
  • dry mouth
  • muscle weakness
  • feeling lightheaded
  • little/no urinary output

Severe cases of dehydration can be life-threatening, and treatment via replacement fluids or electrolytes may require intravenous delivery. Otherwise, treatment is drink and include liquid regularly throughout your healthy diet daily routine.

When dehydration causes thirst, drink to avoid these signs and symptoms.

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