| gptkbp:instanceOf | gptkb:drug gptkb:opioid
 
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                                | gptkbp:antidote | heroin overdose morphine overdose
 fentanyl overdose
 hydrocodone overdose
 other opioid overdose
 oxycodone overdose
 
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                                | gptkbp:approvedBy | 1971 
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                                | gptkbp:ATCCode | V03AB15 
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                                | gptkbp:bioavailability | 100% (IV) 2% (oral)
 35% (intranasal)
 
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                                | gptkbp:brand | gptkb:Narcan gptkb:Evzio
 
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                                | gptkbp:CASNumber | 465-65-6 
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                                | gptkbp:chemicalClass | gptkb:opioid 
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                                | gptkbp:contraindication | hypersensitivity to naloxone 
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                                | gptkbp:developedBy | gptkb:Janssen_Pharmaceutica 
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                                | gptkbp:eliminationHalfLife | 30–81 minutes 
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                                | gptkbp:excretion | urine 
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                                | gptkbp:hasMolecularFormula | C19H21NO4 
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                                | gptkbp:IUPACName | gptkb:(5α)-4,5-Epoxy-3,14-dihydroxymorphinan-6-one 
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                                | gptkbp:KEGGID | D08367 
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                                | gptkbp:legalStatus | prescription only (US) over-the-counter (US, some states)
 
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                                | gptkbp:mechanismOfAction | gptkb:kappa-opioid_receptor_antagonist delta-opioid receptor antagonist
 mu-opioid receptor antagonist
 
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                                | gptkbp:meltingPoint | 200–205 °C 
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                                | gptkbp:MeSH_ID | D009294 
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                                | gptkbp:metabolism | liver 
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                                | gptkbp:notEffectiveAgainst | non-opioid overdose 
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                                | gptkbp:pregnancyCategory | B (US) 
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                                | gptkbp:proteinBinding | 45% 
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                                | gptkbp:PubChem_CID | 5284596 CHEMBL1044
 DB01183
 
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                                | gptkbp:routeOfAdministration | intramuscular subcutaneous
 intravenous
 intranasal
 
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                                | gptkbp:sideEffect | nausea vomiting
 hypertension
 sweating
 tachycardia
 agitation
 
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                                | gptkbp:solubility | soluble in water 
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                                | gptkbp:UNII | PBK1S1M032 
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                                | gptkbp:usedFor | opioid overdose 
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                                | gptkbp:WHOModelListOfEssentialMedicines | yes 
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                                | gptkbp:bfsParent | gptkb:Heroin gptkb:Emergency_Medicine
 gptkb:Narcan
 
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                                | gptkbp:bfsLayer | 6 
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                                | https://www.w3.org/2000/01/rdf-schema#label | naloxone 
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