Osmolality is the concentration of all particles in a fluid. For example, thick, sugary syrup has significantly higher osmolality than a cup of water with just a pinch of sugar. The urine osmolality ...

The present paper is concerned with studies on a patient with chronic potassium depletion in whom a demonstrable extrarenal disturbance of water metabolism contributed significantly to the polyuric ...

Diabetes insipidus is a rare condition that affects the body’s ability to balance fluid levels properly. The condition can lead to excess urine production and low urine osmolality, which refers to the ...

Your doctor may order a blood osmolality test to check your body’s salt/water balance. This can help them determine if you have certain medical conditions such as dehydration or sodium deficiency.