Generic name: naltrexone
Dosage form: injection
Medically reviewed on January 16, 2018.
VIVITROL must be administered by a health care professional.
The recommended dose of VIVITROL is 380 mg delivered intramuscularly every 4 weeks or once a month. The injection should be administered by a health care professional as an intramuscular (IM) gluteal injection, alternating buttocks, using the carton components provided (see HOW SUPPLIED). VIVITROL must not be administered intravenously.
If a patient misses a dose, he/she should be instructed to receive the next dose as soon as possible.
Pretreatment with oral naltrexone is not required before using VIVITROL.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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