However, there was no associated lowering of urine osmolality. Hyponatremia indicates dilution of sodium in extracellular water, and is almost always evidence of reduction of the concentration of ...

Signs and symptoms associated with hyponatremia are secondary to cellular hypo-osmolality. Fever, headache, nausea and vomiting, muscle cramps weakness, and confusion occur when serum sodium ...

Hyponatremia commonly occurs in patients with aneurysmal subarachnoid hemorrhage. Two mechanisms have been proposed as causes: syndrome of inappropriate anti-diuretic hormone and cerebral salt ...

But excessive water consumption can cause hyponatremia ... which makes urine more concentrated. The reabsorbed water dilutes the blood, bringing osmolality back to normal levels.