About Vivitrol (En)

Vivitrol is the injectable form of the non-narcotic drug naltrexone, which was approved by the FDA for daily oral use in 1994 for the treatment of alcohol dependence. The tablet form of naltrexone was approved in 2006 for treatment of opiate addiction to prevent relapse. The FDA approved Vivitrol for monthly intramuscular injection in 2010.

The drug blocks the brain’s ability to get high or drunk. Heroin users can’t get high even if they shoot up. Prescription opiate addicts won’t feel the effects of the narcotics. Alcoholics can’t get drunk and will lose muscle control as a side effect of drinking.