The FDA has approved several different medications to treat alcohol and opioid use disorders. MAT medications relieve the withdrawal symptoms and psychological cravings that cause chemical imbalances in the body. Medications used for MAT are evidence-based treatment options and do not just substitute one drug for another.
Source: Attorneys at the Legal Action Center authored, Know Your Rights: Rights for Individuals on Medication Assisted Treatment. HHS Publication No. (SMA) 09-4449. Rockville, MD: Center for Substance Abuse Treatment, Substance Abuse and Mental Health Services Administration, 2009.