Assertion: thc's use | /r/HasSubevent | methotrexate toxicities
Facets:
value: possibly
type: OTHER
Source sentences:
text: Concomitant use of Omeprazole with methotrexate (primarily at high dose) may elevate and prolong serum concentrations of methotrexate and/or its metabolite hydroxymethotrexate, possibly leading to methotrexate toxicities.