Addiction medicine
Naltrexone
ReVia
Generic nameNaltrexone
Brand nameReVia
Medication classOpioid antagonist
Typical adult example50 mg
FrequencyOnce daily
Common uses
Recognition cues
- Alcohol use disorder
- Opioid use disorder
EMS relevance
Assessment context
- Blocks opioid effects and may precipitate withdrawal if opioids are present.