sub:assertion { d:DB00682dv:ddi-interactor-indr:DB00682_DB01174 . d:DB01174dv:ddi-interactor-indr:DB00682_DB01174 . dr:DB00682_DB01174dct:identifier "drugbank_resource:DB00682_DB01174" ; dct:title "DDI between Warfarin and Phenobarbital - Phenobarbital may decrease the serum concentration of warfarin by increasing its metabolism. Monitor for changes in the therapeutic and adverse effects of warfarin if phenobarbital is initiated, discontinued or dose changed."@en ; adv:Drug-Drug-Interaction ; rdfs:label "DDI between Warfarin and Phenobarbital - Phenobarbital may decrease the serum concentration of warfarin by increasing its metabolism. Monitor for changes in the therapeutic and adverse effects of warfarin if phenobarbital is initiated, discontinued or dose changed. [drugbank_resource:DB00682_DB01174]"@en . }