Phytonadione, Vitamin K, is used by the body to produce factors in the blood to help it coagulate and prevent bleeding. It is often used after animals accidentally ingest mouse or rat poisons that cause severe bleeding.
Because some of these mouse or rat poisons can stay in the body for a long time, treatment with phytonadione may be required for several weeks. It should not be used for bleeding caused by liver problems. It is usually given once to three times daily with
If given by injection, bleeding at the site of injection can occur