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What is Dehydration? What Causes It?

Views: 249     Author: Site Editor     Publish Time: 2021-04-05      Origin: Site

Dehydration occurs when you consume or lose more water than you take in, and your body doesn't have enough water and other fluids to carry out its normal functions. If you don't replenish lost fluids, you will get dehydrated.


Dehydration also can occur in any age group if you don't drink enough water during hot weather — especially if you are exercising vigorously.


You can usually reverse mild to moderate dehydration by drinking more fluids, but severe dehydration needs immediate medical treatment.



1. Causes of Dehydration

The basic causes of dehydration are not taking in enough water, losing too much water, or a combination of both. Additional causes of dehydration include:


Diarrhea. It is the most common cause of dehydration and related deaths. The large intestine absorbs water from food matter, and diarrhea prevents this from happening. The body excretes too much water, leading to dehydration.


Vomiting. It leads to a loss of fluids and makes it difficult to replenish water by drinking it.


Sweating. the body’s cooling mechanism releases a significant amount of water. Hot and humid weather and vigorous physical activity can further increase fluid loss from sweating. Similarly, a fever can cause an increase in sweating and may dehydrate the patient, especially if there is also diarrhea and vomiting.


Diabetes. Hyperglycemia cause increased urination and fluid loss.


Frequent Urination. It is usually caused by uncontrolled diabetes, but it also can be due to alcohol and medications such as diuretics, antihistamines, blood pressure medications, and antipsychotics.


Burns. Blood vessels can become damaged, causing fluid to leak into the surrounding tissues.



2. Symptoms of Dehydration

Thirst isn't always a reliable early indicator of the body's need for water. Many people, particularly older adults, don't feel thirsty until they're already dehydrated. That's why it's important to increase water intake during hot weather or when you're ill. The symptoms of dehydration include:


- Feeling thirsty

- Muscle cramps

- Urinating less often than normal

- Dark-colored urine

- Dry skin

- Feeling tired or lethargic

- Fainting

- Confusion


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3. Risk factors of Dehydration

Anyone can become dehydrated, but certain people are at greater risk:


Infants and children. Infants and children are especially vulnerable to dehydration. They may lose a higher proportion of their fluids from a high fever or burns. Young children often can't tell you that they're thirsty, nor can they get a drink for themselves.


Older adults. As age increases, elder's fluid reserve becomes smaller, their ability to conserve water is reduced and their thirst sense becomes less acute. These problems are compounded by chronic illnesses such as diabetes and dementia. Older adults also may have mobility problems that limit their ability to obtain water for themselves.


People with chronic illnesses. Having uncontrolled or untreated diabetes puts people at high risk of dehydration. Kidney disease also increases the risk, as do medications that increase urination. Even having a cold or sore throat makes you more susceptible to dehydration because you're less likely to feel like eating or drinking when you're sick.


Keeping enough water is of great benefit to the body, which can improve physical performance and prevent diseases. When replenishing water, you must ensure the safety of drinking water. Use professional water treatment devices, such as ozone water purifiers, ozone water filters, etc, to carry out water treatment.


Nicoler specializes in the production of desalination and water treatment, wastewater treatment system and ozone water disinfectants. For your healthier life, please contact us.

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