Beef-flavored chewable tablets (phytonadione) for use in cats and dogs to Counter hypoprothrombinemia induced by digestion of coumarin-based compounds, common ingredients of commercial rodenticides, and other drug-induced hypoprothrombinemia where it is definitely shown that the result is due to interference with vitamin K metabolism (E.G., salicylates). recommended for use in follow-up Therapy only after administration of vitamin K1 injection and hospitalization is no longer required.