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- Naltrexone works differently from methadone or buprenorphine. It completely blocks opioid receptors
- It can be used only after completing detoxification
- Naltrexone can decrease your craving for heroin to prevent relapse
- If you use heroin while on naltrexone, it will block heroin effects and will prevent craving for more drugs
- It has no abuse potential, no overdose risk, and there is no withdrawal when it is stopped
- Is available as a monthly injection give into the buttock
