What Causes Hypoosmolarity

This can be caused by drinking too many fluids and overhydrating the body. It can also be caused by a condition called hyponatremia, which is a low level of sodium in the blood. Mild cases of hyposmolality usually have no symptoms. Moderate cases can cause nausea and headaches.

What does osmolarity mean?

The term osmolarity refers to the number of particles of solute per liter of solution, whereas the term osmolality refers to the number of particles of solute per kilogram of solvent.

What causes low urine osmolality?

Several conditions may cause low urine osmolality, including: excessive fluid intake, or over-hydration. kidney failure. renal tubular necrosis.