Medications for treating AUD are under prescribed. In one study of retail outlets in the United States for the period 2002 through August 2007, less than 9% of patients who needed treatment for an AUD received a single prescription of any of the four medications approved by the FDA to treat AUD.39 Systematic efforts in the Veterans Health Administration to increase the use of medication-assisted treatment for AUD yielded a prescription rate of only 3.4%.40