Dehydration

Dehydration is a medical condition that occurs when the body loses more fluids than it takes in, causing an imbalance in the body's water and electrolyte levels. This can happen for a variety of reasons, including not drinking enough water, excessive sweating, vomiting, diarrhea, or certain medical conditions.

Symptoms of Dehydration

Causes of Dehydration

Dehydration can be caused by a variety of factors, including:

  • Not drinking enough water or fluids
  • Excessive sweating due to hot weather, exercise, or fever
  • Vomiting or diarrhea
  • Certain medical conditions, such as diabetes, kidney disease, or heart failure
  • Certain medications, such as diuretics or laxatives

Treatments for Dehydration

The treatment for dehydration depends on the severity of the condition and the underlying cause. Mild to moderate dehydration can be treated with:

  • Oral rehydration therapy (ORT): drinking fluids that contain water, electrolytes, and sugars, such as sports drinks or oral rehydration solutions like Pedialyte
  • Intravenous (IV) fluids: receiving fluids through a vein in the arm, which can help to quickly replenish lost fluids and electrolytes
  • Rest and relaxation: getting plenty of rest and avoiding strenuous activities to help the body recover

Severe dehydration may require hospitalization and treatment with:

  • IV fluids and electrolytes: receiving large amounts of fluids and electrolytes through a vein in the arm
  • Medications: such as anti-nausea medications or medications to help manage underlying medical conditions
  • Monitoring: close monitoring of vital signs, urine output, and other health indicators to ensure that the body is recovering properly

Prevention of Dehydration

To prevent dehydration, it is essential to:

  • Drink plenty of water: aim to drink at least eight glasses of water per day
  • Avoid excessive sweating: stay cool in hot weather, take regular breaks during exercise, and avoid strenuous activities in extreme heat
  • Monitor urine output: if urine is dark yellow or brown, it may be a sign of dehydration
  • Avoid certain medications: such as diuretics or laxatives, which can increase the risk of dehydration

Frequently Asked Questions (FAQs)

What is dehydration?
Loss of fluids and electrolytes in the body.

What causes dehydration?
Inadequate fluid intake, vomiting, diarrhea, fever, and excessive sweating.

What are the symptoms of dehydration?
Thirst, dry mouth, dark urine, fatigue, and dizziness.

How is dehydration diagnosed?
Physical exam, medical history, and laboratory tests.

Can dehydration be treated at home?
Mild cases can be treated with fluids and electrolytes.

What are the best fluids to drink for dehydration?
Water, clear broths, and electrolyte-rich beverages like sports drinks.

Can dehydration lead to serious complications?
Yes, if left untreated, it can lead to seizures, brain damage, and death.

Who is most at risk for dehydration?
Older adults, young children, and people with chronic illnesses.

How can dehydration be prevented?
Drinking plenty of fluids, especially in hot weather or during illness.

When should I seek medical attention for dehydration?
If symptoms are severe, last longer than 3 days, or worsen over time.

Article last updated on: 25th June 2025.
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