Alfentanil dosing
Opioids · 500 mcg/mL · IV Push
Calculated, not generatedWeight-based dose
| Dose | Per kg | For 70 kg |
|---|---|---|
| low | 10 mcg/kg | 700 mcg |
| standard | 25 mcg/kg | 1750 mcg |
| high | 50 mcg/kg | 3500 mcg |
Rapid onset (60 s), short duration (10-15 min). 1/5-1/10 potency of fentanyl. Useful for brief procedures.
Renal & hepatic adjustment
- Severe (Child-Pugh C)Hepatic clearance is reduced in hepatic impairment — titrate carefully.
Source: Stoelting's Pharmacology
Evidence A · Well-characterized pharmacokinetics
More opioids
Get the exact dose for your patient
Vigil computes Alfentanil for your patient's actual weight — and adjusts for renal or hepatic impairment automatically, with the cited rationale. The number is calculated from a verified database, never guessed.
Decision support for licensed clinicians — not a substitute for clinical judgment. Always verify against the package insert and the patient in front of you.