Metabolismen er kendt for at påvirkes af samtidig administration af CYP2C9 inducerende stoffer (f. eks. rifampicin) eller hæmmere (f. eks. fluconazol).
Its metabolism is known to be influenced by concomitant administration of CYP2C9 inducers (e. g. rifampicin) or inhibitors (e. g. fluconazole