Naltrexone

Naltrexone is an opioid receptor antagonist. It is often used to help alcohol dependence and opioid dependence. It is different from the drug naloxone. Naloxone is used in emergency cases of overdose. Naltrexone is for longer-term control of dependence. Naltrexone can help with overdose, but naloxone is more helpful in those cases.

Naltrexone Media

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  Naltrexone levels following a 50 mg oral dose of naltrexone at steady state during treatment with 50 mg/day naltrexone.

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  Naltrexone levels following a 380 mg dose of naltrexone in microspheres (Vivitrol) by intramuscular injection at steady state during monthly treatment with 380 mg naltrexone in microspheres.