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VIVITROL is not right for everyone. There are significant risks from VIVITROL treatment, including risk of opioid overdose, severe reaction at the injection site, sudden opioid withdrawal, liver damage, or hepatitis.

Talk to your healthcare provider about naloxone, a medicine that is available to patients for the emergency treatment of an opioid overdose.

Call 911 or get emergency medical help right away in all cases of known or suspected opioid overdose, even if naloxone is administered.

If you are being treated for alcohol dependence but also use or are addicted to opioid-containing medicines or opioid street drugs, it is important that you tell your healthcare provider before starting VIVITROL to avoid having sudden opioid withdrawal symptoms when you start VIVITROL treatment.

See Important Safety Information.

See Prescribing Information and Medication Guide.