Phytonadione
Also known as: vitamin K1
Classification
Unknown
Regulatory Status
US prescription phytonadione tablet labeling exists for coagulation-factor deficiency due to vitamin K deficiency or interference. Dietary vitamin K2 status is not established by this record.
Sources
1
Review
n/a
Overview
Phytonadione is a labeled vitamin K1 used when coagulation factors are reduced by vitamin K deficiency or interference. This record does not restate a dose.
Evidence and limitations
Human/preclinical evidence breakdown is not available in this record.
Pathways
vitamin K-dependent clotting factor synthesis
Benefits
A DailyMed phytonadione tablet label describes prescription vitamin K replacement.
Interactions & cautions
Flagged in source data
Drug interactions
vitamin K antagonist anticoagulants — Phytonadione can reduce the effect of warfarin-class anticoagulants. The clinical consequence requires the current label and is not restated as a plan here. (review)
These are observational flags for review, not individualized instructions.
Sources
Educational reference only — not medical advice.
What people report (anecdote)
CLINICAL DATA (from trials)
Adverse events:
None recorded in our sources.
Effects measured:
Human trials: none found.
ANECDOTE
What people report: anecdote, not evidence
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