DRUG SUPPLIED DOSE COMMENTS
VITAMIN K (Paeds)
(Phytonadione)

Mechanism of action:

Vitamin supplement



Ref: 16, 44, 58, 260


Last update: 2019-09-01
injection (Phytonadione, K1): 1 mg/0.5 mL, 10 mg/mL Neonatal Hemorrhagic Disease:
Prophylaxis:
IM (Route of choice) 0.5-1 mg/dose IM x 1 within 6 hr after birth
PO (If parents refuse IM route) 2 mg PO x 3 doses (at birth, 2-4 weeks of age and at 6-8 weeks of age).
Treatment:
1-2 mg/24 hr IM/SC/IV

Vitamin K Deficiency due to Malabsorption or decreased synthesis of Vitamin K:
Infants and Children:
1-5 mg/dose /IV/SC x 1 or 2.5-5 mg/24 hr PO daily May repeat dose depending on severity of deficiency and response to treatment.
Adults:
2.5-25 mg/24 hr PO/IV/SC

Vitamin K supplementation in Cystic Fibrosis:
1-5 mg/dose PO once daily.
Injectable form may be given orally.

Use IV/ route only when other routes of administration are not feasible (IV/ may cause flushing, dizziness, hypotension, anaphylaxis).

For use as warfarin antidote; see Warfarin section in Protocol for Anticoagulant and Thrombolytic Therapy in References and Supplementary.


Standard Prescription:

vitamin K__mg IM/SC/IV{PO} X 1 dose

vitamin K__mg IM/SC/IV{PO}__(frequency)