Normal Saline is a sterile solution of sodium chloride (salt) in water, typically containing 0.9% sodium chloride. It is commonly used in medical settings for various purposes, including hydration, wound cleaning, and as a diluent for medications. This solution is isotonic, meaning it has the same salt concentration as the body's cells, making it safe for intravenous (IV) use. Normal Saline helps maintain fluid balance and can be administered to patients who are dehydrated or require fluid replacement during surgery or illness.