Vivitrol Dosage

Generic name: naltrexone (injection)
Drug class: Drugs used in alcohol dependence

Medically reviewed by  A Ras MD.

 Recommended Adult Dosing

Dosage forms:  INJ: 95 mg per mL

Special Note

[prescribing info]

Info: consider prescribing naloxone in pts w/ opioid use disorder

Alcohol dependence

[380 mg IM q4wk]

Info: must be opioid free x7-10 days; consider naloxone challenge test if risk of withdrawal suspected

Opioid dependence

[380 mg IM q4wk]

Info: for prevention of relapse following opioid detoxification; must be opioid free x7-10 days; consider naloxone challenge test if risk of withdrawal suspected

Renal dosing

CrCl 50-80: no adjustment; CrCl <50: not defined, caution advised

HD/PD: not defined, caution advised

Hepatic dosing

Child-Pugh Class A or B: no adjustment; Child-Pugh Class C: not defined

SRC: NLM .