Older patients are a sensitive population that should be treated carefully with the most appropriate medication. The definition of a potentially inappropriate medication (PIM) is "a drug in which the risk of an adverse event outweighs its clinical benefit, particularly when there is a safer or more effective alternative therapy for the same disease". 1 Inappropriate prescribing terminology consists of three definitions that must be clarified. Misprescribing, overprescribing and under-prescribing are the main domains of inappropriate prescribing. 2 Misprescribing means prescribing medication that increases the chance of adverse events. Overprescribing means prescribing medication in which no indication for that. Underprescribing means there is an indication for a certain unprescribed drug. 2 It should be noted that there are many factors that make older patients more prone to PIMs. Older patients become more prone to adverse drug reactions from altered pharmacokinetics and
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