At a Glance
| Buprenorphine | Fentanyl | |
|---|---|---|
| Class | Opioids | Opioids |
| Common Dose (insufflated) | 0.4–0.8 mg | — |
| Total Duration | 4.8–9.8 hrs | 0.6–2.5 hrs |
| Routes | insufflatedsublingual | sublingual |
Dosage
insufflated
| Level | Buprenorphine | Fentanyl |
|---|---|---|
| Threshold | 0.2 mg | — μg |
| Light | 0.2–0.4 mg | — μg |
| Common | 0.4–0.8 mg | — μg |
| Strong | 0.8–1.5 mg | — μg |
| Heavy | 1.5 mg | — μg |
sublingual
| Level | Buprenorphine | Fentanyl |
|---|---|---|
| Threshold | 0.3 mg | — μg |
Duration
insufflated
Buprenorphine
insufflated
Total: 8 hrs – 14 hrsAfterglow
Onset30 min – 1 hrs
Come Up18 min – 45 min
Peak4 hrs – 8 hrs
Effects
Safety
Interaction: Buprenorphine + Fentanyl
No direct interaction data available between these substances. This does not mean the combination is safe.
Buprenorphine — Dangerous Interactions
Frequently Asked Questions
What is the difference between Buprenorphine and Fentanyl?
Buprenorphine is classified as a Opioids (Substituted morphinans) while Fentanyl is classified as a Opioids (Anilidopiperidine, Substituted piperidines). They share 22 effects in common, with 9 effects unique to Buprenorphine and 7 unique to Fentanyl.
Is it safe to combine Buprenorphine and Fentanyl?
There is no direct interaction data available for combining Buprenorphine and Fentanyl. This does not mean the combination is safe. Always exercise caution and research thoroughly.
Which is stronger, Buprenorphine or Fentanyl?
Both substances have different dose profiles and pharmacological mechanisms. Comparing "strength" directly is misleading — each has unique effects, durations, and safety considerations.