Which of the following is a common treatment approach for SIADH?

Fluid restriction is a common treatment approach for Syndrome of Inappropriate Antidiuretic Hormone secretion (SIADH). This condition is characterized by excessive secretion of antidiuretic hormone (ADH), leading to water retention, dilutional hyponatremia, and reduced serum osmolality.

By restricting fluid intake, the goal is to reduce the amount of water in the body, thus helping to normalize serum sodium levels. This method aids in achieving a balance between fluid retention and electrolyte concentration, which is crucial for patient management. In cases of SIADH, simply reducing water intake can often be an effective way to correct the dilutional hyponatremia that occurs due to the excess fluid.

In contrast, fluid overload therapy would worsen the patient's condition by exacerbating water retention, while a high salt diet could potentially lead to other complications that are not beneficial in managing SIADH. Vasopressors, which are typically used to manage blood pressure, do not address the fundamental electrolyte and fluid imbalance present in SIADH, making them an unsuitable treatment option for this specific condition.