Naloxone
Opioid Antagonist- Drug Class
- Opioid Antagonist
- Mechanism of Action (MOA)
- Competitive µ-opioid receptor antagonist → reverses opioid effects.
- Clinical Notes
- Opioid overdose reversal (intranasal/IM/IV). Short half-life — may need repeat dosing; can precipitate acute withdrawal. Take-home kits save lives.
- Source
- FDA label
Sources
Reviewed June 2026- FDA label — FDA / DailyMed
Checked against the guideline or standard reference the exam keys to. If it has moved, use Report an error below.
Same family
Got a pharmacology lecture that covers Naloxone? Turn it into flashcards and board-style questions, free. Drop it on the home page
All pharmacology