What type of solution is D10W considered?

D10W, which is a solution containing 10% dextrose in water, is classified as a hypertonic solution. This means that it has a higher osmolarity compared to the osmolarity of plasma. When such a solution is administered to a patient, it draws water from the surrounding tissues into the bloodstream due to osmotic pressure, which can result in cellular dehydration.

Hypertonic solutions like D10W are often used in clinical settings to manage specific conditions, such as providing a source of calories for patients who cannot consume food orally or in the management of certain types of hyponatremia. The hypertonic nature of D10W is essential for understanding its effects on fluid balance and how it influences the movement of water in the body.

In contrast, hypotonic solutions would have lower osmolarity than plasma and would cause cells to swell as water moves into them, while isotonic solutions match plasma osmolarity and do not cause net movement of water into or out of cells. The classification of D10W as hypertonic is crucial for safe and effective patient care in various clinical scenarios.