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In this Article

• What is nalmefene (Revex)?
• What are the possible side effects of nalmefene (Revex)?
• What is the most important information I should know about nalmefene (Revex)?
• What should I discuss with my health care provider before receiving nalmefene (Revex)?
• How is nalmefene given (Revex)?
• What happens if I miss a dose (Revex)?
• What happens if I overdose (Revex)?
• What should I avoid after being treated with nalmefene (Revex)?
• What other drugs will affect nalmefene (Revex)?
• Where can I get more information?

What should I discuss with my health care provider before receiving nalmefene (Revex)?

If possible, before you receive nalmefene, tell your doctor if you are allergic to any drugs, or if you have:

• a history of addiction to narcotics;
• liver disease;
• kidney disease; or
• heart disease (especially if you take heart medications).

FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. However opioid medications are not recommended for use during pregnancy.

Nalmefene may pass into breast milk and could harm a nursing baby. If possible, tell your caregivers if you are breast-feeding a baby.

In an overdose situation, it may not be possible before you are treated with nalmefene to tell your caregivers about any health conditions you have or if you are pregnant or breast-feeding. However, make sure any doctor caring for your pregnancy or your baby knows that you have received nalmefene, and if you were treated for a narcotic overdose.

How is nalmefene given (Revex)?

Nalmefene is given as an injection through a needle placed into a vein or muscle. You will receive this injection in a hospital or emergency setting.

After treatment with nalmefene, you will be watched to make sure the medication has been effective and you no longer have any effects of the opioid.