Comparing Nalmefene vs Narcan
| Nalmefene | Narcan (naloxone) |
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| Nalmefene | Narcan (naloxone) |
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Prescription only
Prescribed for Opioid Overdose, Reversal of Opioid Sedation. Nalmefene may also be used for purposes not listed in this medication guide. |
Over-the-counter
Prescribed for Opioid Overdose. Narcan may also be used for purposes not listed in this medication guide. |
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| More about Nalmefene | More about Narcan (naloxone) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Be the first to share your experience with this drug. |
Narcan has an average rating of 8.2 out of 10 from a total of 5 ratings on Drugs.com. 80% of reviewers reported a positive effect, while 20% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||||||||||
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View all Nalmefene side effects |
View all Narcan side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
Lower cost generic approved | ||||||||||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Nalmefene prices |
View all Narcan prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Opvee, Zurnai | Other naloxone brands include: Kloxxado, Rextovy, Rezenopy, RiVive, Zimhi | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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8.6 hours |
3 hours |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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Category B
No proven risk in humans
See the full pregnancy warnings document. |
Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 6 drugs are known to interact with Nalmefene:
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A total of 30 drugs are known to interact with Narcan:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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N/A |
N/A |
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| WADA Class View classifications | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
| Patient Resources | |||||||||||||||||
| Professional Resources | |||||||||||||||||
| Related Treatment Guide | |||||||||||||||||
1 The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.