When the cause is diuretics, interruption of treatment is recommended, sometimes in combination with sodium supplementation.
An increase in the urinary excretion of water and salt. In the presence of clinical signs of a neurological nature (confusion, convulsions, coma), the correction of hyponatremia will involve the injection of a sodium solution intravenously and/or a diuretic to promote the excretion of liquids.
An increase in salt intake. Some people, particularly those with the Syndrome of Inappropriate Secretion of Antidiuretic Hormone (SIADH), require long-term treatment for hyponatremia. Fluid restriction alone is often not enough to prevent a recurrence of hyponatremia. Salt tablets can be used in people with mild to moderate chronic hyponatremia.
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