The Drug Addiction Treatment Act of 2000 expands the clinical context of medication-assisted opioid addiction treatment by allowing qualified physicians to dispense or prescribe specifically approved schedule 3, 4, and 5 narcotic medications for treatment of opioid addiction in settings other than the traditional methadone clinics. In October 2002, the U.S. Food and Drug Administration’s approved doctors to prescribe buprenorphine for the treatment of drug addiction. The use of this drug raises concerns about impaired driving.