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Written by Navneet Kaur, M.Sc. Nutrition & Dietetics
Diet
Overhydration, also known as water intoxication or hyponatremia, occurs when you consume more water than your body can eliminate, leading to an imbalance of electrolytes in your bloodstream. While it is essential to remain well-hydrated, overhydration can have adverse effects on your health.
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Overhydration can cause swelling, particularly in the hands, feet, and ankles, due to an imbalance of electrolytes that affects fluid distribution in your body.
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Excess water in your system can lead to nausea and vomiting as your body attempts to rid itself of the excess fluid.
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Overhydration can cause an electrolyte imbalance, which may result in headaches or migraines.
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An excessive intake of water can dilute sodium levels in your blood, leading to confusion, disorientation, and even altered consciousness.
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Overhydration may cause fatigue and a general feeling of weakness as your body struggles to maintain proper electrolyte levels.
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Electrolyte imbalances can lead to muscle cramps and spasms, which can be painful and uncomfortable.
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Overhydration can result in excessive urination, sometimes with clear and colourless urine, as your kidneys attempt to remove the excess water.
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Overhydration can lower blood sodium levels, leading to low blood pressure, which can cause dizziness, lightheadedness, and fainting.
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Severe cases of overhydration can lead to seizures due to imbalances in electrolytes like sodium.
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In extreme cases, untreated overhydration can result in a coma or even be fatal due to a significant drop in blood sodium levels and severe brain swelling.
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While proper hydration is essential for health, it's equally important to recognize the symptoms of overhydration to avoid potential health risks. Monitoring your fluid intake, paying attention to your body's signals, and seeking medical attention if you suspect overhydration are crucial steps in maintaining a healthy fluid balance.
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