. . "Levallorphan"@en . . . "Levalorfano"@en . "approved"@en . "Naloxiphan"@en . . "Levallofano"@en . . . . . "Rapidly absorbed."@en . " "@en . "For the complete or partial reversal of narcotic depression, including respiratory depression, induced by opioids."@en . . "SID144205558"@en . "An opioid antagonist with properties similar to those of naloxone; in addition it also possesses some agonist properties. It should be used cautiously; levallorphan reverses severe opioid-induced respiratory depression but may exacerbate respiratory depression such as that induced by alcohol or other non-opioid central depressants. (From Martindale, The Extra Pharmacopoeia, 30th ed, p683)"@en . . . . . . . . . . . . "L\u00E9vallorphane"@en . . . . "Levallorphanum"@en . . . . "152-02-3"@en . . . . . . " "@en . . . "Lorfan"@en . . . . . . . . "Levallorphan antagonizes opioid effects by competing for the same receptor sites. It binds to the opioid mu receptor and the nicotinic acetylcholine receptor alpha2/alpha3."@en . "Humans and other mammals"@en . "Oral, rat LD₅₀: 109±4 mg/kg"@en . "1 hour"@en . "Levallorphan"@en .