Summary Safety Review - Levetiracetam and Methotrexate - Assessing the Potential Risk of Drug-Drug Interaction

Health Canada carried out a safety review after learning that the European Medicines Agency was looking into a potential interaction between levetiracetam and methotrexate. The interaction between the two drugs may lead to higher amount of methotrexate in the blood, which may cause serious side effects. The side effects, which can be fatal, include sudden (acute) kidney failure.