Butyrfentanyl
Aliases: bf, b-f
Categories
Summary
Potent short-acting opioid and fentanyl analogue. Often dispensed in a nasal spray. This is an highly potent drug - exercise extreme caution. May cause respiratory depression and death in overdose.
Dose Information
Onset, Duration & After-effects
- Onset:
- Oral: 15-30 minutes
- Duration:
- Oral: 3-4 hours
- After-effects: 1-4 hours