sub:assertion { d:DB00333dv:ddi-interactor-indr:DB00333_DB00625 . d:DB00625dv:ddi-interactor-indr:DB00333_DB00625 . dr:DB00333_DB00625dct:identifier "drugbank_resource:DB00333_DB00625" ; dct:title "DDI between Methadone and Efavirenz - Efavirenz may decrease the serum concentration of methadone by increasing its metabolism. Monitor for changes in the therapeutic and adverse effects of methadone if efavirenz is initiated, discontinued or dose changed."@en ; adv:Drug-Drug-Interaction ; rdfs:label "DDI between Methadone and Efavirenz - Efavirenz may decrease the serum concentration of methadone by increasing its metabolism. Monitor for changes in the therapeutic and adverse effects of methadone if efavirenz is initiated, discontinued or dose changed. [drugbank_resource:DB00333_DB00625]"@en . }