https://www.selleckchem.com/pr....oducts/epacadostat-i
Favipiravir is a promising treatment candidate for managing coronavirus disease 2019 (COVID-19). Warfarin has many drug interactions, but no interactions with favipiravir have been reported. Our patient was taking warfarin for deep vein thrombosis. The international normalized ratio (INR) was stable (1.65 to 2.; however, it increased to 4.63 after administering favipiravir. The patient had no other factors justifying this change. Favipiravir and warfarin might have previously unidentified drug interactions that elevated