Naltrexone is used in opioid addiction because:
The only indication for naltrexone in opioid dependence is relapse prevention in highly motivated patients. For opioid overdose Naloxone is used and not naltrexone. Naltrexone must be discontinued 48 to 72 hours prior to receiving opiate analgesia. Most of the adverse effects of naltrexone are gastrointestinal, including nausea, vomiting, and abdominal pain or discomfo
To treat withdrawal symptoms
To treat overdose of opioids and prevent respiratory depression
To prevent relapse in highly motivated patients
Has addiction potential; used for detoxification of opioid
Substance Related and Addictive Disorders