J Emerg Med
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Repeat users of Emergency Departments (ED), so-called "frequent visitors," place a substantial burden on limited ED resources. The illness features of frequent visitors have not been well defined, though chronic medical and psychiatric illness and substance abuse are implicated. ⋯ Although chronic hepatitis and psychiatric complaints are both implicated in frequent ED visits, patients with psychiatric complaints present to the ED more often. Patients with a "dual diagnosis" of psychiatric condition and alcohol abuse are likely to be frequent visitors. This population should be targeted for creative intervention strategies, both within and outside of the emergency system, that comprehensively screen for symptomatology and integrate mental health treatment with substance abuse interventions.