At a Glance
| Oxymorphone | Fentanyl | |
|---|---|---|
| Class | Opioids | Opioids |
| Routes | oral | insufflatedsublingualtransdermal |
Dosage
Only in Oxymorphone
oral
| Level | Dose |
|---|---|
| Threshold | 2.5 mg |
| Light | 5–10 mg |
| Common | 10–20 mg |
| Strong | 20–30 mg |
| Heavy | 30 mg |
Only in Fentanyl
insufflated
| Level | Dose |
|---|---|
| Threshold | 5 μg |
| Light | 10–25 μg |
| Common | 25–50 μg |
| Strong |
Duration
Only in Oxymorphone
oral
Total: 4 hrs – 6 hrsOnset
Onset20 min – 45 min
Only in Fentanyl
insufflated
Total: 1 hrs – 4 hrsOnset
Onset15 min – 30 min
sublingual
Total: 1 hrs – 4 hrsOnset
Effects
Safety
Interaction: Oxymorphone + Fentanyl
No direct interaction data available between these substances. This does not mean the combination is safe.
Oxymorphone — Dangerous Interactions
Frequently Asked Questions
What is the difference between Oxymorphone and Fentanyl?
Oxymorphone is classified as a Opioids (Substituted morphinans) while Fentanyl is classified as a Opioids (Anilidopiperidine, Substituted piperidines). They share 16 effects in common, with 0 effects unique to Oxymorphone and 13 unique to Fentanyl.
Is it safe to combine Oxymorphone and Fentanyl?
There is no direct interaction data available for combining Oxymorphone and Fentanyl. This does not mean the combination is safe. Always exercise caution and research thoroughly.
Which is stronger, Oxymorphone or Fentanyl?
Oxymorphone and Fentanyl are typically administered via different routes, making a direct potency comparison difficult. They belong to different pharmacological profiles and should not be compared by dose alone.