Intimate partner violence is a preventable health problem that affects more than 12 million people in the United States each year. Those affected can be of any sex, race, ethnicity, socioeconomic status, religion, education level, or sexual orientation. All clinicians should screen for intimate partner violence as part of the routine history and physical examination. This article describes the dynamics of intimate partner violence and the 2013 screening guidelines from the US Preventive Services Task Force.