What Does Dehydration Do To The Body?

woman drinking bottled water
You naturally want your body to feel and look its best, so you take your vitamins, schedule your yearly checkups, and avoid eating Haagen-Dazs every night.

 

But one thing you may be overlooking to keep your body in top shape is something as simple as water. If your body isn’t getting enough fluids daily, you’re losing more fluids than you’re replacing, leading to dehydration.

So, what does dehydration do to the body, and how can it affect your overall health? Dehydration occurs when your body doesn’t have enough water to perform essential functions.

This can happen gradually with mild dehydration or more seriously with severe dehydration, where the body can suffer from serious complications. Here’s a breakdown of how dehydration affects key systems in the human body.

5 key parts of the body affected by dehydration

1. Effects of Dehydration on the Body’s Muscles

Dehydration can have a drastic impact on your muscles, causing physical fatigue and discomfort. Dehydration-related muscle cramps, also called muscle spasms, occur when fluid loss causes a lack of proper muscle function.

In severe dehydration, muscle cramps can be accompanied by excessive sweating, and the loss of essential body fluids can make the situation worse. To prevent muscle cramps, you must replace lost fluids by drinking water or other fluids like oral rehydration solutions.

Muscle cramps due to dehydration can be avoided by staying hydrated, especially if you are at risk for volume depletion caused by heat exhaustion or physical activity.

 

2. Effects of Dehydration on the Brain

effect of dehydration to brain

Even mild to moderate dehydration can impair cognitive functions, leading to issues like poor focus, reduced memory, and even mood swings. The human brain relies on consistent blood flow, and when dehydration reduces blood volume, it can also decrease cognitive performance.

Dehydration can also cause low blood pressure, which further limits your brain’s ability to function optimally. Drinking fluids regularly, especially in hot weather, can help prevent these symptoms of dehydration.

If dehydration continues, severe cases can even result in low blood volume shock, a dangerous condition that requires immediate medical attention.

 

3. Effects of Dehydration on the Skin

effect of dehydration to skin

Dehydration can cause dry skin, making your skin look and feel rough or flaky. Dehydrated skin often appears dull, and you may even notice cracks or scaling if your fluid intake is not sufficient.

Even drinking fluids regularly may not be enough if you’re losing more fluid through other means, such as hot weather or excessive sweating. It's essential to drink extra fluids and avoid things like alcohol or caffeine, which can dehydrate your skin further.

Symptoms of dehydration in the skin can include itchiness, redness, or peeling. Replacing lost fluids by drinking water or other hydrating beverages will help keep your skin looking its best.

 

4. Effects of Dehydration on the Heart

effect of dehydration to the heart

Dehydration can lead to significant cardiovascular strain. Since the heart is largely composed of water, dehydration reduces blood volume, causing both low blood flow and high blood pressure.

This forces the heart to work harder, increasing the risk of cardiac events, especially in people with chronic illnesses such as heart disease or kidney disease.

Severely dehydrated individuals may need hospital treatment, including IV fluids, to restore blood volume and prevent further complications. Staying properly hydrated helps maintain healthy blood pressure levels and reduces the risk of severe complications from dehydration.

 

5. Effects of Dehydration on the Kidneys

effect of dehydration to the kidney

The kidneys are vital organs responsible for filtering waste and maintaining fluid balance in the body. Dehydration can strain these organs, leading to kidney disease, kidney stones, or even kidney failure in severe cases.

Mild dehydration can be managed by drinking fluids like water and using oral rehydration solutions. However, if dehydration persists, immediate medical treatment may be necessary to avoid long-term kidney damage.

Chronic dehydration increases the risk of serious complications, so it’s important to drink enough fluids throughout the day.

 

Signs and Symptoms of Dehydration

Recognizing the signs of dehydration is critical to treating dehydration early.

Here are some common symptoms to watch for:

  • Dry mouth
  • Few or no tears
  • Sunken soft spot in infants
  • Feeling thirsty
  • Low urine output or fewer wet diapers in young children
  • Muscle cramps
  • Dizziness or lightheadedness
  • Dark-colored urine

In more severe cases, symptoms can include confusion, rapid heartbeat, and even low blood volume shock. Seek urgent medical attention if you or someone else exhibits these serious symptoms.

 

Treating and Preventing Dehydration

Dehydration can often be treated by increasing water intake and drinking other fluids, such as oral rehydration solutions, to replace lost electrolytes. For mild to moderate dehydration, drinking water or fruit juice and eating foods high in water content can help restore fluid balance.

If dehydration is severe or caused by conditions such as severe diarrhea, kidney disease, or heat exhaustion, hospital treatment with IV fluids may be required to treat dehydration and prevent kidney failure or other complications.

Preventing dehydration involves drinking fluids regularly, especially in hot weather or when you’re exercising. For older adults and young children, it’s important to monitor fluid intake closely, as they may not recognize the signs of dehydration as easily.

 

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At AquaBliss, we can help you combat dehydration by ensuring the water you drink is healthy, clean, and refreshing. Our high-quality water filtration products, trusted since 2015, effectively purify water to reduce harmful contaminants, helping you stay hydrated and avoid the harmful effects of dehydration on the body.

Experience the benefits of our top-rated filtration systems today and stay ahead of dehydration. Your health starts with proper hydration, so drink up with AquaBliss!

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