Crystalloids include normal saline and lactated ringer's solution. They are cheap and readily available fluid options that expand extracellular fluid volume when administered intravenously. However, their effects are short-lived as they distribute throughout the extracellular space and are easily replaced. Large volumes may be required for adequate volume repletion. https://www.insightprobing.com/plasma-expander-market-outlines-important-market-driver-revenue-growth/