Opvee (nalmefene) opioid antidote
Opvee (nalmefene) is a nasal spray used to reverse opioid overdoses by blocking mu-opioid receptors in the brain, restoring breathing and consciousness. It lasts longer than naloxone, making it useful for potent opioids like fentanyl. Side effects may include nausea, headache, and withdrawal symptoms. While effective, Opvee is currently more expensive and less widely available … Read more