Phenylephrine dosing
Vasopressors · 100 mcg/mL · IV Push
Calculated, not generatedWeight-based dose
| Dose | Per kg | For 70 kg |
|---|---|---|
| low | 0.5 mcg/kg | 35 mcg |
| standard | 1 mcg/kg | 70 mcg |
| high | 2 mcg/kg | 140 mcg |
Typical bolus: 50-200 mcg
Renal & hepatic adjustment
No drug-specific organ adjustment in our database — use clinical judgment and verify against the label.
Onset, duration & pearls
Onset30-60 sec
Duration5-10 min
Side effects: Reflex bradycardia, Tissue necrosis if extravasated.
- Pure alpha-1 agonist
- May decrease cardiac output in severe aortic stenosis
Evidence B · Standard practice, limited RCT comparison
More vasopressors
Get the exact dose for your patient
Vigil computes Phenylephrine 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.