Promethazine dosing
Antiemetics · 25 mg/mL · IV Slow Push / IM
Calculated, not generatedWeight-based dose
| Dose | Per kg | For 70 kg |
|---|---|---|
| low | 0.15 mg/kg | 10.5 mg |
| standard | 0.2 mg/kg | 14 mg |
| high | 0.25 mg/kg | 17.5 mg |
Typical: 12.5-25 mg. DILUTE before IV (tissue necrosis risk — ISMP high-alert). Give through large bore IV slowly. Causes sedation. Avoid in children <2 yr.
Renal & hepatic adjustment
No drug-specific organ adjustment in our database — use clinical judgment and verify against the label.
Evidence B · Antiemetic efficacy established; safety concerns well documented
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Get the exact dose for your patient
Vigil computes Promethazine 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.