Treatments for Substance Use Disorders
The chapter on treatments for substance use disorders discusses and reviews the use of medication-assisted treatments with (a) methadone, buprenorphine/naloxone, and naltrexone for opioid use disorders; (b) disulfiram, acamprosate, naltrexone, and several off-label medications for alcohol use disorders; and (c) nicotine replacement therapies, bupropion, and varenicline for tobacco use disorders. The chapter reviews the mechanisms of action, clinical characteristics, potential medication interactions, and adverse effects of these medications, followed by an in-depth discussion of their clinical use in these disorders. The chapter also briefly reviews several non-Food and Drug Administration (FDA)-approved medicines studied for cocaine, cannabis, and amphetamine use disorders. It also briefly discusses complementary and alternative pharmacotherapies, such as the use of cannabinoids. It also discusses the use of these medicines in women of childbearing age, notably for pregnancy and breastfeeding considerations. Finally, the chapter includes a table of approved substance use disorder medicines that includes each medicine’s generic and brand names, usual adult doses, pertinent clinical comments, black box warnings, and FDA indications.