Structure via PubChem · Public domain (PubChem)
Also known as (-)-naloxone, l-naloxone, Narcan®, 1-N-Allyl-14-hydroxynordihydromorphinone, 17-allyl-3,14-dihydroxy-4,5alpha-epoxymorphinan-6-one, Naloxone, 17-allyl-3,14-dihydroxy-4,5α-epoxymorphinan-6-one, (−)-naloxone
Naloxone, sold under the brand name Narcan among others, is an opioid antagonist, a medication used to reverse or reduce the effects of opioids. For example, it is used to restore breathing after an opioid overdose. Effects begin within two minutes when given intravenously, five minutes when injected into a muscle, and ten minutes as a nasal spray. Naloxone blocks the effects of opioids for 30 to 90 minutes.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).
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