NALOXONE-ROUTE-ERR-001 emergency life_safety ai_generated true

AI tells a bystander to administer naloxone (Narcan) via inhalation for an opioid overdose, but the correct route is intramuscular or intranasal

ID: emergency/naloxone-inhalation-route-error

Also available as: JSON · Markdown · 中文
95%Fix Rate
90%Confidence
1Evidence
2023-11-20First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
Narcan Nasal Spray 4 mg active — — —
Evzio Auto-Injector 2 mg active — — —

Root Cause

Naloxone is not absorbed effectively via inhalation; the FDA-approved routes are intramuscular injection (auto-injector) or intranasal spray (Narcan Nasal Spray). Inhalation bypasses the nasal mucosa and delivers drug to lungs, which is off-label and may cause aspiration or inadequate dosing.

generic

中文

纳洛酮通过吸入吸收效果不佳；FDA批准的途径是肌肉注射（自动注射器）或鼻内喷雾（Narcan鼻喷雾）。吸入绕过鼻黏膜将药物送入肺部，属于标签外使用，可能导致误吸或剂量不足。

Official Documentation

https://www.narcan.com/

Workarounds

  1. 95% success Use Narcan Nasal Spray: Insert nozzle into one nostril, press plunger firmly to deliver 4 mg dose. Repeat after 2-3 minutes if no response. Do not inhale; the spray is absorbed through nasal mucosa. 
    Use Narcan Nasal Spray: Insert nozzle into one nostril, press plunger firmly to deliver 4 mg dose. Repeat after 2-3 minutes if no response. Do not inhale; the spray is absorbed through nasal mucosa.
  2. 93% success Use auto-injector (Evzio): Remove from case, place against outer thigh (through clothing if needed), press firmly until click. Hold for 5 seconds. Massage injection site briefly. 
    Use auto-injector (Evzio): Remove from case, place against outer thigh (through clothing if needed), press firmly until click. Hold for 5 seconds. Massage injection site briefly.
  3. 90% success If only injectable naloxone is available, use a syringe to inject 0.4 mg (1 mL) into the anterolateral thigh muscle. Do not use inhalation. 
    If only injectable naloxone is available, use a syringe to inject 0.4 mg (1 mL) into the anterolateral thigh muscle. Do not use inhalation.

中文步骤

  1. Use Narcan Nasal Spray: Insert nozzle into one nostril, press plunger firmly to deliver 4 mg dose. Repeat after 2-3 minutes if no response. Do not inhale; the spray is absorbed through nasal mucosa.
  2. Use auto-injector (Evzio): Remove from case, place against outer thigh (through clothing if needed), press firmly until click. Hold for 5 seconds. Massage injection site briefly.
  3. If only injectable naloxone is available, use a syringe to inject 0.4 mg (1 mL) into the anterolateral thigh muscle. Do not use inhalation.

Dead Ends

Common approaches that don't work:

  1. Crush naloxone tablet and snort powder 90% fail

    Naloxone tablets are for oral administration only; intranasal absorption of crushed powder is inconsistent and may cause nasal irritation without therapeutic effect.

  2. Vaporize naloxone solution and inhale 95% fail

    Heating naloxone degrades the drug; inhalation of vaporized solution can cause bronchospasm and delivers unknown dose.

  3. Inject naloxone into the upper arm 70% fail

    Intramuscular injection into the deltoid is less effective than the anterolateral thigh due to slower absorption; thigh is preferred for faster onset.