Common clinical indications

• Prophylaxis and treatment of vitamin K deficiency bleeding in neonates
• Reversal of warfarin-induced overanticoagulation (with or without bleeding)
• Treatment of vitamin K deficiency associated with liver disease, cholestasis, or malabsorption
• Adjunctive therapy in other vitamin K–responsive coagulopathies

Frequently asked questions

What is Phytonadione / Vitamin K1 used for?

Phytonadione / Vitamin K1 (Phytonadione (vitamin K1)) is listed in YMed Atlas under Vitamin, fat soluble. Indications, dosing, and safety information on this page summarize curated references—always confirm with current labeling, formularies, and local protocols.

How do I adjust dosing for renal impairment or special populations?

Review the dosing sections and references for this monograph. Many agents require renal or hepatic adjustment; pediatric, pregnancy, and lactation considerations are clinician-specific. This interface is educational and does not replace individualized prescribing decisions.

Is this medical advice?

No. YMed Atlas drug pages support learning and quick reference. They are not a substitute for clinical judgment, pharmacist review, or formal interaction checking with a complete medication list.