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Iatrogenic refers to harm that is caused by medical treatment or advice. It can refer to physical harm caused by a medical intervention, such as a surgical error or a medication side effect, or it can refer to psychological harm, such as a misdiagnosis that leads to unnecessary anxiety or treatment. The term iatrogenic comes from the Greek “iatros,” meaning physician, and “genesis,” meaning origin. It is used to describe any negative effect on a patient that is caused by the actions of a healthcare provider.