Some patients are more sensitive to intravenous medications than others. When given IV injections, these patients suffer greater discomfort, or pain, at the injection site as the medication is infused into their veins. For such patients, diluting the drug (making it less concentrated) often increases their comfort.

Source: Stressed Out About Drug Math, HCPro, Inc., 2006. For more information on our series of Stressed Out books, visit www.stressedoutnurses.com