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For medical emergencies: dial 911

VIVITROL can cause serious side effects, including risk of opioid overdose.

You or someone close to you should call 911 or get emergency medical help right away if you:

  • have trouble breathing
  • become very drowsy with slowed breathing
  • have slow, shallow breathing (little chest movement with breathing)
  • feel faint, very dizzy, confused, or have unusual symptoms

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 have questions about VIVITROL®, 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 us:

1-800-VIVITROL (1-800-848-4876)

Email us:


Call your doctor for medical advice about side effects. You are encouraged to report suspected adverse reactions to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088.

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