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Vitamin K Disease Interactions

There is 1 disease interaction with Vitamin K (phytonadione).

Moderate

Phytonadione (vit. K) (applies to Vitamin K) hepatobiliary dysfunction

Moderate Potential Hazard, Moderate plausibility. Applicable conditions: Liver Disease, Biliary Obstruction

Phytonadione is fat soluble and requires bile for adequate intestinal absorption. Biliary dysfunction decreases the absorption of phytonadione. Phytonadione is metabolized by the liver and excreted in bile and urine. Hepatic and/or biliary impairment can alter the metabolic and therapeutic activity of phytonadione. Phytonadione will not correct hypoprothrombinemia due to hepatocellular dysfunction or damage and administration of excessive phytonadione may worsen hepatic function.

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Vitamin K drug interactions

There are 11 drug interactions with Vitamin K (phytonadione).

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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