Overhydration - Hormonal and Metabolic Disorders // ना पिए ज्यादा पानी, हो जाएगी मुश्किल // Dr LK Tripathi
Overhydration is an excess of water in the body.
People can develop overhydration if they have a disorder that decreases the body’s ability to excrete water or increases the body's tendency to retain water.
Drinking too much water rarely causes overhydration because normal kidneys easily excrete excess water.
Often, no symptoms occur, but in severe overhydration, people may become confused or have seizures.
Fluid intake is restricted, and diuretics may be given.
Overhydration can occur when people drink much more water than their body needs. People, particularly athletes, who drink excessive water to avoid dehydration can develop overhydration. People may also drink excessive water because of a psychiatric disorder called psychogenic polydipsia. The result is too much water and not enough sodium. Thus, overhydration generally results in low sodium levels in the blood (hyponatremia), which can be dangerous. However, drinking large amounts of water usually does not cause overhydration if the pituitary gland, kidneys, liver, and heart are functioning normally. To exceed the body’s ability to excrete water, a young adult with normal kidney function would have to drink more than 6 gallons of water a day on a regular basis.
Overhydration is much more common among people whose kidneys do not excrete urine normally—for example, among people with a disorder of the heart, kidneys, or liver, or among premature infants, whose kidneys are immature. Certain drugs, such as some antidepressants, can also cause overhydration in susceptible people.
Overhydration may also result from the syndrome of inappropriate antidiuretic hormone secretion. In this syndrome, the pituitary gland secretes too much vasopressin (also called antidiuretic hormone), stimulating the kidneys to conserve water when that is not needed.
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