Drug reference
nalmefene
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Drug class
Musculoskeletal (Opioids)
Mechanism of action
An opioid antagonist, is a 6-methylene analogue of naltrexone, prevents or reverses effects of opioids, including respiratory depression, sedation, and hypotension, Studies have shown that nalmefene hydrochloride injection has a longer duration of action than naloxone at fully reversing doses
Common side effects
- Dizziness
- Vomiting
- Nausea
- Fever
- Hypertension
- Tachycardia
Contraindications
- Hypersensitivity to nalmefene and any excipients in the product
Related conditions
Frequently asked questions
What drug class is nalmefene?
nalmefene belongs to: Musculoskeletal.
How does nalmefene work?
An opioid antagonist, is a 6-methylene analogue of naltrexone, prevents or reverses effects of opioids, including respiratory depression, sedation, and hypotension, Studies have shown that nalmefene hydrochloride injection has a longer duration of action than naloxone at fully reversing doses
What are the common side effects of nalmefene?
Dizziness, Vomiting, Nausea, Fever, Hypertension, Tachycardia
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