Answer
Modafinil may decrease warfarin clearance when taken concomitantly through possible suppression of CYP2C9; prothrombin times should be monitored regularly during the first two months of modafinil use and after modafinil dose changes.
Sources for this answer
- Modafinil 100mg tabletsAurobindo Pharma - Milpharm Ltd. · emc · SmPC §4.5 Interaction with other medicinal products · Version 9Document updated
Sources checked