For medical emergencies: Dial 911
If you have questions about VIVITROL® (naltrexone for extended-release injectable suspension), please select one of the following and we will respond:
Please include as many details as you can about your question and how you would like us to contact you in return.
Call your healthcare provider for medical advice about any side effects. You are encouraged
to report negative side effects to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088.
For additional Alkermes corporate contacts, click here.