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What happens when your body becomes dehydrated?

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Quick Answer

When the body becomes dehydrated, a variety of symptoms can occur, including weakness, dizziness, decreased urination and heart palpitations, according to WebMD. Dehydration occurs when the body loses more fluids than it takes in. Additional signs of dehydration include increased thirst, swollen tongue and an inability to sweat.

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What happens when your body becomes dehydrated?
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Full Answer

WebMD states that it is extremely important for a dehydrated person to seek medical attention if he experiences symptoms of a fever of 101 degrees Fahrenheit or higher, chest pains, fainting, breathing difficulty, seizure or an absence of urine for 12 hours or longer. According to Healthline, intravenous rehydration is an IV treatment that is used to treat severe dehydration. Fluids are injected into the veins using an IV and typically consist of sugar or salt water. Intravenous rehydration replaces lost electrolytes that occur when the body becomes dehydrated.

The Mayo Clinic explains that dehydration can occur for a variety of reasons that include exercising in hot weather, vomiting and diarrhea, inadequate water intake during hot weather, fever and excessive sweating. Symptoms of mild dehydration are often reversed with the intake of fluids. Dehydration can be prevented by increasing fluid intake on hot days and drinking enough liquids to replace what is lost during exercise or during a bout of illness.

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